Answer:
Moving the bodies closer together increased the gravitational attraction and decreased the orbital period.
Explanation:
edmentum
Answer:
Moving the bodies closer together reduced the orbital period and increased the gravitational attraction.
Explanation:
What is the -log of solution X?
Answer:
\(log {}^{3} {} (5x + 1) = 4 \\ log(logx) = 4 \\ log {}^{4} (2x + 6) - log {}^{4} (x - 1) = 1 \\ log_{ {}^{4} }(x) + log{}^{2} (x + 4) = 5 \: \: \: \: \: \: \: \: \: \: \: \: \: 4ln(2x - 1) + 3 = 11 \\ log(x { }^{2} ) = (logx)logx = 49 \\ log {}^{3} ( log {}^{2} x) = 2\)
Explanation:
That is just an example of what it means
I need help!
What significance does density have for earth?
Answer:
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust. The lowest layer of the atmosphere is denser than the upper layer.
How many amino acids must be obtained in the diet because they cannot be made by the body? 2 5 10 20How many amino acids must be obtained in the diet because they cannot be made by the body? 2 5 10 20
Answer:
C or 10
Explanation:
individuals may give rise to ________ offspring than could possibly ____________.
Individuals may give rise to more offspring than could possibly survive.
This concept is known as overproduction or reproductive potential. It is a fundamental principle in biology that species tend to produce more offspring than the environment can support.
The reason for this overproduction is rooted in the struggle for limited resources and the survival challenges individuals face in their respective habitats.
By producing a large number of offspring, individuals increase the chances of some offspring surviving and reproducing successfully. This strategy maximizes the species' probability of passing on their genetic traits to future generations.
However, the environment has finite resources, such as food, shelter, and mates, which cannot sustain unlimited population growth.
As a result, only a fraction of the offspring will survive and reach reproductive age. The rest may face competition, predation, disease, or other factors that prevent their successful reproduction.
This overproduction and subsequent natural selection of the fittest individuals contribute to the ongoing process of adaptation and evolution within populations.
Those individuals with advantageous traits are more likely to survive and reproduce, passing on their favorable traits to the next generation.
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A hetero gous ail yellow plant is crossed with a homorygous short green. Show the genoype od phenotypes of the Fi offspring and the probability of each.
The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.
The genotype and phenotype of the F1 offspringGenotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.
When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.
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What does water quality mean?
- Factors that affect water quality. Explain how they affect water quality and the
ideal level for each.
- Temperature:
- pH:
- Dissolved Oxygen:
- Nitrates and Phosphates:
- Turbidity:
- Bioindicators:
Which two kingdoms contain producers, how about decomposers?
Describe hurricanes and the impact they
can have.
Explanation:
When a hurricane strikes a coastal area,it brings a number of serious hazards. These hazards include heavy rains, high winds, a storm surge, and even tornadoes
Answer:
look above
Explanation:
An enzyme is a _____ molecule.
a. polysaccharide
b. nucleic acid
c. carbohydrate
d. protein
How a vaccine promotes immunity?
answer in your own words
Answer:
Because the vaccine is an antigen from living, weakened or killed microorganisms that activate the immune system and the body produces protective antibodies.
this molecule is split into oxygen
protons, and electrons during light
dependent reactions is called?
Answer:
Oxygen and hydrogen ions are also formed from the splitting of water. To replace the electron in the reaction center, a molecule of water is split. This splitting releases an electron and results in the formation of oxygen (O2) and hydrogen ions (H+) in the thylakoid space.
Refer to the Biochemistry in Focus section of your text for this chapter to answer this question. A mutation in Complex I decreases the efficiency of the electron transport chain. However, not all components of the electron transport chain are affected by this mutation. Which component of the electron transport chain will remain unaffected by a mutation in Complex I
Answer:
Complex II
Explanation:
The electron transport chain refers to a group of electron transporters embedded in the inner mitochondrial membrane that transfer electrons from electron donors to electron acceptors which undergo redox (reduction and oxidation) reactions. The energy released during the transfer of electrons is coupled to the transfer of protons (H+) from the mitochondrial matrix into the intermembrane space, generating an electrochemical gradient that is then used to synthesize ATP. Complex I and Complex II are membrane-bound complexes that act as mitochondrial redox carriers. Complex I is a proton pump that uses energy from the electron transfer chain to pump protons, while Complex II sends H+ onto Complex III in the form of the reduced ubiquinol. Complex I receives electrons from NADH and transfers them to ubiquinone, while Complex II directly receives the redox cofactor FADH2 that does not pass through Complex I.
Select the correct labels on the image.
Which organelles in a plant cell are involved in converting food to energy during cellular respiration?
Membrance
Golgi
apparatus
Chloroplast
PLANT CELL
Rough
endoplasmic
reticulum
Cell wall
Ribosomes
O
Cytoplasm
Vacuole
Mitochondrion
Perixosome
Nucleus
Answer:It Mitochondrion
Explanation:
7. What two reactants of photosynthesis are used for the light reactions?
a. Carbon dioxide, water
b. Carbon dioxide, sunlight
C. water, sunlight
d. glucose, sunlight
Answer:
sunlight, carbon dioxide, water
Explanation:
I really need this question answered
Answer:
i don't know how i do ???????????????????
why bone grow in bidirectional
Explanation:
Bones grow in different directions because they need to support the body in different ways. The different directions allow for flexibility and strength.
Lloyd’s lab partner is looking down into a test tube while he heats the contents by using a flame. Which action should Lloyd recommend to his partner if heating must continue?
Wear safety goggles while looking into the opening of the test tube.
Cover the opening of the test tube so that no materials can boil out of it.
Move the test tube so that the opening is pointing away from all students.
Put the test tube in a hot water bath so that no water can enter its opening.
The correct action that Lloyd should recommend to his partner who was looking down into the test tube if heating must continue would be to move the test tube so that the opening is pointing away from all students.
Wearing safety goggles (and looking directly down at the test tube) might not be enough to protect Lloyd's partner nor other students in case the content of the test tube splashes out.Covering the test tube might hinder any generated gas as a result of heating from escaping safely into the air and this might cause an explosion.Putting the test tube in a hot water bath so that water can enter its opening will definitely affect the reaction and prevent them from getting accurate results/observations.Hence, the most correct action would be for Lloyd's partner to move the test tube so that the opening is pointing away from all students.
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Answer:
Move the test tube so that the opening is pointing away from all students.
Can someone help me with this please
Write an original paragraph of at least 5 sentences in your own words describing where the mass of the tree comes from. WILL GIVE BRAINLIEST
Answer:
The mass of a tree is primarily carbon. The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plants convert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water.
Explanation:
What is meant by wildlife? How is wildlife important for us?
Answer:
Animals that grow or live in the wild without any human interference are known as wildlife. Importance of wildlife is as follows: Wildlife helps keep the food chain in place and thereby maintain ecological stability.
Explanation:
The term "wildlife" refers to all living organisms that exist in their natural habitat, without any human interference. It includes animals, birds, plants, and other organisms that thrive in forests, oceans, deserts, and other natural environments.
Wildlife is important to us in several ways:
1. Biodiversity: Wildlife plays a crucial role in maintaining biodiversity. Each species contributes to the intricate web of life, and the loss of even one species can have a significant impact on the entire ecosystem. For example, bees play a vital role in pollination, which is essential for the reproduction of many plant species.
2. Environmental balance: Wildlife helps to maintain a balance in ecosystems. Predators, such as lions or wolves, help control the population of herbivores, preventing overgrazing and maintaining the health of vegetation. This balance ensures that resources are distributed appropriately and prevents the dominance of a single species.
3. Ecosystem services: Wildlife provides various ecosystem services that benefit humans. Forests, for instance, serve as a habitat for countless species, help regulate climate, filter air and water, and provide resources like timber and medicinal plants. Wetlands act as natural filters, purifying water and reducing the risk of floods.
4. Cultural and recreational value: Wildlife also holds significant cultural and recreational value. Many communities have strong cultural connections to specific wildlife species, and these species may play important roles in their traditions, rituals, and beliefs. Additionally, observing and interacting with wildlife through activities such as bird-watching or safaris can bring joy and a sense of connection to nature.
5. Scientific and educational purposes: Studying wildlife helps us gain knowledge about different species, their behavior, and their roles within ecosystems. This understanding is crucial for conservation efforts and managing natural resources sustainably. Wildlife education also fosters a sense of environmental awareness and encourages people to become responsible stewards of the planet.
Hence, wildlife encompasses the diverse range of organisms found in their natural habitats. Its importance lies in its contribution to biodiversity, environmental balance, ecosystem services, cultural value, recreational opportunities, and scientific knowledge. Preserving and protecting wildlife is essential for the well-being of both the natural world and human society.
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Water molecules moves out of a red blood cell and its shrivels is an example of.
A Protein Channel
B Simple Diffusion
C Facilitated Diffusion
D Osmosis
Answer: D Osmosis
Explanation: Water moves into and out of cells by osmosis
Name two important roles played by fungi in nature
Which of the following greenhouse gases result from burning fossil fuels?
A. carbon dioxide.
B. methane
C. nitrous oxide.
D. All of these choices are correct.
Answer:
D. All of these choices are correct.
Explanation:
Greenhouse gases are gases that are trapped in the Earth's atmosphere and absorb energy. These gases, which include carbon dioxide, methane, and nitrous oxide, are all released when fossil fuels are burned.
1 a. What is a fruit? (2 marks)
b. State three (3) functions of a fruit. (3 marks)
Answer:
afruit, the fleshy or dry ripened ovary of a flowering plant, enclosing the seed or seeds. Thus, apricots, bananas, and grapes, as well as bean pods, corn grains, tomatoes, cucumbers, and (in their shells) acorns and almonds, are all technically fruits.
A fruit protects the immature seeds from animals and extreme climatic conditions.
It stores food material.
It attracts animals that help in dispersing or scattering the seeds to distant places.
A crane has a sharp and pointed beak while the duck has a flat beak.Explain why
Answer:
The crane has a sharp and pointed beak adapted for catching and grasping prey. The sharp beak allows the crane to effectively stab and pierce its prey, such as fish, frogs, or small animals. The pointed shape helps the crane to accurately target its prey and secure a firm grip.
On the other hand, the duck has a flat beak, which is better suited for its specific feeding habits. Ducks are primarily filter feeders, and their flat beak enables them to sift through water or mud to collect small organisms, insects, and plants. The flat beak acts like a sieve, allowing the duck to strain out food particles while retaining water.
The difference in beak shape between the crane and the duck reflects their distinct feeding strategies and ecological roles. Each species has evolved its beak shape to optimize its ability to capture and consume the specific types of food sources available in their respective habitats.
A barista is asked to make a customer an iced tea. They pour a cup of cold
water, add ice cubes and a teabag. Fifteen minutes later the brew is not yet
ready, and the customer is getting annoyed. They fetch their boss who tells
them that iced tea is made by adding the teabag to hot water first and then
cooling it down. Why is this?
One must use hot water because the temperature allows to extract the flavour in a more efficient way.
Why we must use hot water?The process of making iced tea by adding the teabag to hot water first and then cooling it down is a common practice for several reasons:
Extraction of Flavor: Hot water helps to extract the flavor compounds from the tea leaves more efficiently. When tea is steeped in hot water, the heat causes the compounds responsible for flavor and aroma to dissolve into the water more readily, resulting in a stronger and more flavorful brew.
Infusion of Tea Leaves: The hot water allows the tea leaves to fully infuse and release their flavors, oils, and other components into the water. This process contributes to a more robust and well-rounded taste profile.
Dilution and Consistency: When iced tea is made with hot water first, it is usually brewed to be slightly stronger than desired. This is because the ice added later will dilute the brew to the desired strength. By initially brewing the tea with hot water, the dilution caused by adding ice cubes ensures that the final drink is not weak or watery.
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TTT 18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants 19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens 20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera 21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm 22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class 23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium 24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population 26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista 25. Ecology is a biological science that deals with all of the following except C. organism D. none
All of the options are chemical approaches to control micro-organism excepts: B Disinfectants
19. The scientific name for modern man is: B. Homo sapiens
20. kingdoms are prokaryotic organisms placed D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are: B. Angiosperm
22. taxonomic groups contains closely related organisms A. Genus
23. Malaria causing single-celled parasitic protozoan is called: D. Plasmodium
24. kingdoms consists of eukaryotic organisms such as yeast, molds, and mushrooms A. Kingdom fungi
25. Ecology is a biological science that deals with except: D. none
26. The organism that are consumer is D. Scavengers
What is the chemical approaches to control micro-organismDisinfectants are special chemicals that are used to kill germs or prevent them from growing on surfaces or objects. They are not usually used to control microorganisms within living things, unlike antibiotics, antiseptics, and autoclaving, which are all chemicals used to control microorganisms.
Homo sapiens is the fancy name used by scientists to refer to regular, everyday humans This is the species that humans are a part of.
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18. All of the following are chemical approaches to control micro-organism excepts: A. Antibiotics B. Disinfectants
19. The scientific name for modern man is C. Antiseptics D. Autoclaving A. Homo erectus B. Homo sapiens
20. In which of the following kingdoms are prokaryotic organisms placed? A. Fungi B. Protest C. Australopithecus D. None C. Planate D. Monera
21. Plants which have true roots, leaves, stem & seeds inside the fruit are A. Gymnosperm C. Mosses D. Ferns B. Angiosperm
22. Which of the following taxonomic groups contains closely related organisms? A. Genus C. Phylum B. Order D. Class
23. Malaria causing single celled parasitic protozoan is called A. Paramecium B. Salmonella C. Mosquito D. Plasmodium
24. Which one of the following kingdoms is consists of eukaryotic organisms such as yeast moulds and mushrooms? A. Ecosystem B. Population
25. Ecology is a biological science that deals with all of the following except Answer the following questions. C. Kingdom monera D. Kingdom plantae A. Kingdom fungi B. Kingdom protista C. organism D. none
26. Which of the following organism are consumers? A. Photosynthetic B. Chemosynthetic bacteria C. Green plant D. Scavengers
Algae are plantlike organisms that live in the water. These algae have been in sunlight for several hours now. What can the algae do because they are in sunlight? What does this mean for the number of energy storage molecules in the algae?
Answer:
They can perform photosynthesis
More energy storage molecules
Explanation:
Algae can perform photosynthesis. Photosynthesis is the production of food using sunlight, carbon dioxide, and water. It produces glucose and oxygen. Glucose can be stored as energy for use in cellular respiration to power cellular processes
Therefore, when the algae are in the sunlight, they have the energy necessary to make their own food by photosynthesis, and the amount of energy storage molecules will increase.
When the algae are in the sunlight, they have the energy necessary to make their own food by photosynthesis, and the amount of energy storage molecules will increase.
What is photosynthesis?Photosynthesis is the process of production of food by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
It produces glucose and oxygen. Glucose can be stored as energy for use in cellular respiration to power cellular processes.
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15. What did people use for energy before fossil fuel and electrical power
energy was harnessed?
They used whale oil and steam power to run machines.
O Humans had only their own muscles and a knowledge of levers and
pulleys for power.
Humans used muscle power and direct wind and water power.
Humans burned wood to power their machines.
Before fossil fuel and electrical power energy were harnessed, Humans used muscle power and direct wind and water power.
The correct option is C.
What is muscle power?Muscle power refers to the power generated by humans during the contraction and relaxation of their muscles.
Muscle power can be used to accomplish a variety of tasks such as lifting objects, walking, running, etc.
Before the discovery of fossil fuels, humans use muscle power as well as wind and water power to accomplish tasks such as driving of motors, sailing ships, cutting trees, etc.
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what would most likely happen to a person who is not getting enough essential amino acids in his or her diet?
A. The body would synthesize the amino acids.
B. Muscle growth and repair would be limited.
C. Stored protein would break down
D. The formation of proteins would increase.
Answer:
Muscle tissue would separate to supply amino acids.
a
Explanation: