Why are fuel cells better for the environment than fossil
fuels?

Answer: I think collecting data on Pluto and Charon (the Charon flyby was at about 17,900 miles or 28,800 kilometers), New Horizons also observed Pluto's other satellites, Nix, Hydra, Kerberos and Styx.Also In July 2015, NASA's New Horizons became the first spacecraft to visit dwarf planet Pluto. The far-traveling spacecraft also flew by an object called 2014 MU69, or Ultima Thule, in January 2019. Observations from New Horizons are revolutionizing our understanding of solar system objects orbiting far from the sun.

Explanation:

hope this helps have a great day ❤️❤️❤️❤️

Answer:

omg I just did these in class. the answer is like this:

the boxes are: (top left corner) Bb, (top right corner) bb, (bottom left corner) Bb, (bottom right corner) bb

1.

a. potential genotypes: Bb (50%), bb (50%)

b. potential phenotypes: pls dont take my word for this part, bc im not that good here, but I think its brown eyes (50%), blue eyes (50%)

Hope this helped!

Answer:

It makes sense to me, but you could also say "The dog's allele codes for brown eyes"

The fragmentation of very large megakaryocytes results in the production of platelets. Platelets play a crucial role in blood clotting and help prevent excessive bleeding after injury.

Platelets are the cell fragments that megakaryocytes create. The bone marrow cell known as a megakaryocyte is in charge of making platelets for the human body. The process of hemostasis, or blood clotting, requires platelets, which are cellular fragments.

Platelets are the cell fragments that megakaryocytes create. They are essential to the process of blood clotting. Megakaryocytes disintegrate, releasing cytoplasmic fragments into the circulation, where they assemble to form the platelet plug that ultimately closes the blood artery injury. Platelets are the cell fragments that megakaryocytes create.

Thrombocytes are another name for platelets. These formations are asymmetrically formed and lack a nucleus. Instead of being referred to as genuine cells, they are called fragments. They lack a nucleus, hence they are devoid of nuclear DNA.

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What is the name of the fragmentation of very large megakaryocytes results in the production ?

Megakaryocytes, large cells within the bone marrow, fragment to produce platelets or thrombocytes. This process is influenced by the hormone thrombopoietin and is essential for blood clotting.

The fragmentation of very large megakaryocytes results in the production of platelets, also referred to as thrombocytes. Megakaryocytes are large cells within the bone marrow that mature under the influence of the hormone, thrombopoietin. Upon maturity, megakaryocytes extend projections called proplatelets into the blood vessels, where they are sheared off and become platelets. Each large megakaryocyte can produce 2000-3000 platelets during its lifespan. Platelets are crucial for our body's ability to form blood clots and stop bleeding.

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Answer:

atmosphere,sunlight,wind water

Answer: you’re correct A.

Explanation:

Answer:A. The shapes of different landforms

Explanation: There you go.

Answer:

C. Biome

Explanation:

Hope this helps!

Some of the hazards in the gym center include:

Regular inspection and maintenance of gym equipment is essential for preventing accidents. Any damaged or broken equipment should be repaired or replaced immediately.

Spills or wet floors can cause people to slip and fall. Gym staff should ensure that the floors are dry and free from any obstructions.

Overcrowded gyms can be hazardous, particularly during peak hours. Gym management should limit the number of people allowed in the gym and ensure that there is enough space for everyone to exercise safely.

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Explanation:

4 ->130

6 ->x

x=(130×6)÷4=195

In the given question, it says that If the time period were extended to 6 hours, the expected blood glucose level for Person A would be around 110-120 ml/L.

In this case, time is an independent variable whereas glucose level is the dependent variable as it depends on the time which means it changes according to the change in time.

On the basis of the given table,

on the basis of this revelation, it can be assumed that there would be a further drop of 10 to 20 units in the next two hours.

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When two substances are in contact, heat energy flows from the warmer substance to the cooler substance until both reach the same temperature, establishing thermal equilibrium.

When two substances are in contact with each other, the process of temperature equalization occurs. This phenomenon is known as thermal equilibrium. Thermal equilibrium is based on the principle that heat energy flows from a region of higher temperature to a region of lower temperature until both substances reach the same temperature.

The transfer of heat occurs through a process called conduction. In this process, the particles of the warmer substance have higher kinetic energy and collide with the particles of the cooler substance, transferring energy to them. This transfer continues until there is no longer a temperature difference between the two substances.

The rate at which temperature equalization occurs depends on factors such as the thermal conductivity of the materials, the surface area of contact, and the temperature difference between the substances. In general, the greater the temperature difference, the faster the equalization process.

Once thermal equilibrium is reached, the substances have the same temperature, indicating that there is no longer a net flow of heat between them. This principle is fundamental to various aspects of daily life, from cooking and heating to climate control and heat transfer in industrial processes.

In summary, when two substances are in contact with each other, the temperatures tend to become the same over time due to the process of thermal equilibrium. Heat energy flows from the warmer substance to the cooler substance until both reach the same temperature, resulting in temperature equalization.

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Answer:

To self assertive

Explanation:

Gives you confidence and advance on you're own personality and views.

Answer:

(A) Birds are endothermic and have four-chambered hearts, while reptiles are ectothermic and have three-chambered hearts.

Explanation:

got it right on the test

Birds and reptiles both belong to the animal kingdom. Reptiles are ectothermic and have three-chambered hearts, whereas birds are endothermic and have four-chambered hearts. Thus, option A is correct.

Birds and reptiles both belong to the kingdom Animalia and are chordates. They both have vertebral columns and the presence of the backbone. They share many similarities and differences in their physical appearances.

The birds are endothermic and can maintain constant body tempearture regardless of the external environment. While reptiles are ectothermic (cold-blooded) and regulate their temperature based on the external environment.

The birds have four-chambered hearts like mammals that separate the oxygenated from the de-oxygenated blood, whereas the reptiles have three-chambered hearts with one ventricle and two atria.

Therefore, the birds are endothermic, and reptiles are ectothermic.

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Answer:

Prokaryotes and eukaryotes differ in their DNA structure and location. Prokaryotes, such as bacteria, have a single circular chromosome that is not enclosed in a nucleus. In contrast, eukaryotes, such as humans, have multiple linear chromosomes enclosed in a membrane-bound nucleus. Additionally, eukaryotes have specialized organelles, such as mitochondria and chloroplasts, that contain their own DNA. Prokaryotes lack these organelles. Furthermore, eukaryotes have more complex DNA packaging, involving histones and chromatin, to allow for more precise regulation of gene expression. In summary, the DNA in prokaryotes is simpler in structure, location and packaging compared to eukaryotes.

Explanation:

Answer:

B

Explanation:

I'm going to be very straigthtforward as I do not want to confuse you. Inside a prokaryotic cell, the DNA foats around in the Cytoplasm, but in a Eukaryotic Cell, that DNA is enclosed in the nucleus. Therfore, the correct answer is B.

I put a lot of effort into my answers, so I would really appreciate a brainliest. Thanks!

The evolution hypothesis, which proposes that species change over time due to natural selection and genetic diversity, best explains the pattern of change in the fossil record of mollusks.

Fossil fuels are non-renewable energy sources created over millions of years from the remnants of dead plants and creatures. Coal, gasoline, and natural gas are among them. Underground geological layers contain fossil fuels, which are recovered through drilling or mining. They produce energy, propel transportation, and provide fuel for industrial operations. However, the combustion of fossil fuels emits carbon dioxide and other atmospheric gases into the atmosphere, which contributes to climate change and other environmental issues.

Individuals within a species may have traits that make them better adapted for life and reproduction as environmental circumstances shift. These beneficial traits become more prevalent in the community over time, while less advantageous traits become less prevalent or vanish entirely. This slow change in a species' traits over time can be seen in the fossil record, where consecutive generations are kept in rock strata.

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Answer:

Phosphorylation

Explanation:

ADP is converted to ATP for the storing of energy by the addition of a high-energy phosphate group. The conversion takes place in the substance between the cell membrane and the nucleus, known as the cytoplasm, or in special energy-producing structures called mitochondria.

Answer:

Explanation:

Calcination is a process in which ore is heated in the absence of air or air might be supplied in limited quantity. Roasting involves heating of ore lower than its melting point in the presence of air or oxygen. Calcination involves thermal decomposition of carbonate ores.

Answer:

it would be answer c

Explanation:

A eukaryotic plant cell is the correct classification of this cell. So, the correct option is D.

A eukaryotic cell is defined as the type of cell that has a true nucleus, and other organelles are well defined and enclosed in a membrane that has a large and complex cell that distinguishes them from prokaryotes.

This is the cell with a true and well-defined nucleus, lysosomes, cell membrane, and a cell wall is a characteristic of a plant cell because they are enclosed in a cell wall, unlike animal cells. Eukaryotic cells are found in animals and plants, while bacteria and archaea have prokaryotic cells.  

Therefore, a eukaryotic plant cell is the correct classification of this cell. So, the correct option is D.

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Answer:

its a molecule

Explanation:

One of the fundamental presumptions held by scientists is that the spontaneously occurring occurrences seen in the natural world have definite causes.

Scientists are those who systematically investigate the natural world via experimentation and observation with the intention of learning about and comprehending natural laws and events. To collect data, evaluate and interpret findings, and create explanations and hypotheses about the natural world, they employ the scientific method along with a number of instruments and procedures. They frequently focus on one particular area of study, including biology, chemistry, physics, or earth science. Universities, research facilities, governmental organisations, and commercial businesses are just a few places where scientists might find employment. One of the most well-known physicists in the world is Albert Einstein.

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Answer:

The structural and functional unit of skeletal muscle is called a sacormere

The connective tissue covering around a fascicle is the perimysium

The part of a muscle fiber that contracts is called the myofibril

The connective tissue covering on the outside of a whole muscle is the Epimysium

Explanation:

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Answer:

Very necessary for its survival.

Explanation:

Movement of molecules is very important to maintain a healthy cell environment because some molecules are required by the cell for its growth and development. Some molecules moves inside the cell environment through a semi-permeable membrane such as glucose, oxygen, potassium etc while on the other hand, some molecules are removed from the cell which are waste materials such as carbondioxide etc. If these waste materials are not removed from the cell, it greatly damaged the cell.

Answer:

D organism, organs, tissues, cells

Answer:

All of these

Explanation:

If you put all of the continents together, they fit like a puzzle. If you look at mountains and match these when they are put together, mountains will be in similar places. The fossils found in Antarctica were fossils from warm climates. That could only be if all continents used to be one!

Explanation:

I hope this helps XD

Explanation:

A mutation is a sudden change, and in this case, it's in gametes.

If the change happens because of or during meiosis, the mutation is carried and may affect phenotypic change in offspring. This is because the gametes are the buiding blocks for a human being's genetic code. If there is a change in it's genetics, there will be a change in how it looks.

The process of mutation in gametes results in phenotypic changes in offspring by the fact that the gametes are the building blocks of organisms that govern each and every essential function for the survival of living organisms.

A mutation may be defined as sudden, stable, and inheritable changes in the genetic material of a living organism. An organism that undergoes an event of mutation is known as a mutant. While the agents that cause an event of mutation are known as mutagens.

When a mutation is induced in the gamete cells of living organisms, it may be directly inherited from parents to their offspring the fact that they are the building blocks and functional components of the living organisms. So, they result in alterations in the phenotypic expression of offspring.

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