Most streams result from _____.
a. altitude
b. melted snow
c. oceans
d. rivers

Answer:

Testing hypotheses and identifying variables

Explanation:

Option A, testing hypotheses and identifying variables, is not typically part of descriptive or comparative investigations. Descriptive investigations are used to observe and describe a phenomenon, while comparative investigations are used to compare two or more phenomena. Therefore, developing a hypothesis and identifying variables to be tested is not usually a part of these types of investigations.

Options B, using tools and making inferences, and D, making observations and collecting data, are typically part of both descriptive and comparative investigations. The use of tools helps to collect data more accurately and efficiently, and making inferences involves interpreting the data to draw conclusions. Making observations and collecting data are essential steps in both descriptive and comparative investigations.

Option C, asking questions and forming conclusions, is also typically part of both descriptive and comparative investigations. The questions asked can help guide the investigation, and forming conclusions is an important step in analyzing the results of the investigation.

In summary, the step that is not typically part of descriptive or comparative investigations is testing hypotheses and identifying variables.

Inquiry-based pedagogy involves fostering curiosity and active learning. For example, students investigating real-world environmental issues and proposing solutions.

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Answer:

Bull Riding

Explanation:

People in this are die-hard tough power, dedicating their lives to taming a 1600-1700 pound bull.

In my opinion The most challenging activity is the creativity because every person creates new and unique items and every person has a creative inspiration deeply inside himself.

The statement that best describes scientific research is: "Research typically uses a variety of sources."

The correct answer is option B.

Scientific research is a systematic and rigorous process that involves investigating a specific question or problem using a combination of methods, data, and information from various sources. Here's an explanation of why this statement is accurate:

1. Variety of Sources: Scientific research relies on the integration and analysis of information from multiple sources. Researchers gather data and information from a wide range of primary and secondary sources, including scientific literature, scholarly journals, books, conferences, experiments, fieldwork, interviews, surveys, and databases. This diverse array of sources ensures a comprehensive and well-informed approach to addressing research questions.

2. Peer-Reviewed Literature: Scientific research heavily relies on peer-reviewed literature. Researchers review and analyze existing studies, theories, and empirical evidence to build upon existing knowledge and contribute new insights. This process involves critically evaluating published works and incorporating relevant findings into their own research design and interpretation.

3. Collaboration and Interdisciplinary Approach: Scientific research often involves collaboration among researchers from different disciplines. This interdisciplinary approach allows for the integration of diverse perspectives, methodologies, and sources of information. Researchers combine their expertise to address complex problems and draw upon various sources of data to provide comprehensive and robust findings.

4. Real-World Applications: Scientific research extends beyond the laboratory. While some research may be conducted in controlled laboratory settings, many studies are conducted in real-world contexts, including clinical settings, natural environments, social settings, or through computer simulations. This enables researchers to gather data that reflects real-life scenarios and enhances the external validity and applicability of their findings.

Therefore, scientific research typically involves the use of a variety of sources to ensure rigorous, evidence-based inquiry. By drawing on diverse information and integrating findings from various sources, researchers can establish credible and reliable conclusions that contribute to the advancement of knowledge in their respective fields.

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Answer: B

Explanation: None Needed, have a good day :)

Answer:

D- all of them.

Explanation:

Just took the test and got it right.

b. a low thermal conductivity, is the correct option , these material properties for the thermal barrier coating would you select to reduce the operating temperature of the turbine blade.

A low thermal conductivity means that the material does not easily transfer heat. This is desirable for a thermal barrier coating because it acts as an insulator, preventing heat from flowing into the turbine blade and keeping the blade's operating temperature low. In other words, a low thermal conductivity helps to reduce the amount of heat that is transferred from the hot combustion gases to the turbine blade, thus reducing the temperature of the blade. This can help to increase the efficiency and lifespan of the turbine.

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Answer:

I believe the word you are looking for is isotonic.

When the concentrations of two solutions have reached equilibrium, the two solutions are considered to be isotonic.

The genetic cross between a bluefish (BB) and a yellow fish (YY) will produce a blend mix color phenotype since it is a codominant inherited pattern character.

A codominant inherited pattern character is any feature that produce a mix of both alleles in heterozygous such as the offspring of the cross above. In this case, the Punet square is

       B      B

Y     YB   YB

Y     YB   YB

Therefore, with this data, we can see that codominant inherited pattern characters produce a blend in heterozygous individuals.

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Answer:

It results in new combinations of genes on chromosomes

gametes

Answer:

it mass will increase

Explanation:

I Did the quiz

Answer:

Potassium ions

Explanation:

During repolarization, more potassium ions leaves the cell making the cell less positive and more negative bringing about repolarization.

The event of repolarization comes after the depolarization of the cell wherein more sodium ions which are positively charged flows into the cell letting the cell become less negative leading to depolarization of the cell.

The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A

The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.

When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.

This permission can take the form of a license or contract that outlin the tems under which the work can be used.

The above answer is in response to the full question below;

Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?​

A. Copyright

B. Fair use

C. Freedom of information

D. Intellectual freedom

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Answer:

Birds and leopard

Explanation:

It has been researched and discovered that the feces of birds and animals can be used to determine the state of health of an ecosystem.

For example, it has been discovered that hormones and other substances are excreted through urine and feces. And researchers have discovered from the feces of leopards, that a leopard that has cave or trees where it can hide from hunters are not likely to be stressed out like the one that does not have.

Gametes are the sex haploid cells produced by a diploid germ cell through meiotic division. Parent 1) Gamete 1: W, gamete 2: W, gamete 3: W, gamete 4: W. Parent 2) Gamete 1: w, gamete 2: w, gamete 3: w, gamete 4: w.

Gametes are sex haploid cells (n) that result from meiotic division. During meiosis, a diploid germ cells divides into four haploid cell -the gametes-.

Each gamete carries half the genetic material of its parental cell. It contains only one of the alleles.

In the exposed example, we need to determine the parental gametes of two snapdragon plants concerning flower color.

Snapdragon plants express incomplete dominance for flower color, meaning that

First, we need to determine the parental genotype of a cross between a homozygous plant for white flowers with a homozygous plant for red flowers.

Parental 1: WW ⇒ White phenotype

Parental 2: ww ⇒ Red phenotype

The whole progeny resulting from this cross will be pink, Ww.

Now, we need to determine the parental gametes.

The germ cell is WW. This cell divides into four haploid cells carrying only one of the alleles. So,

Gamete 1: W

Gamete 2: W

Gamete 3: W

Gamete 4: W

The germ cell is ww. Repeating the same reasoning as before, this diploid cell divides into four haploid cells carrying only one of the alleles. So,

Gamete 1: w

Gamete 2: w

Gamete 3: w

Gamete 4: w

Now we can make the Punnett square representing the cross and using these gametes.

Parentals)  WW   x    ww

Gametes) W   W      w    w

Punnett square)

                              W        W

                       w    Ww     WW

                       w    Ww     Ww

F1) 100% Ww pink flowers

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Complete question:

Snapdragons are popular garden plants that produce brightly colored flowers. When a plant that is homozygous for white flowers is crossed with a plant that is homozygous for red flowers, all offspring are pink.

Snapdragons are an example of a plant that exhibits an inheritance pattern called incomplete dominance.

1. Determine the genotype of each parent plant and write them below. Use W to indicate the allele for white

flowers and w to indicate the allele for red flowers.

Genotype of homozygous parent plant with white flowers:

Genotype of homozygous parent plant with red flowers:

2. Next, think about the gametes each parent plant will produce. List the allele in each gamete.

Parent plant with white flowers:

Parent plant with red flowers:

3. The two parent plants are the P generation, or parent generation. Create a Punnett square to show their offspring, the F1 generation.

One of the ways that human population impact our ability to fish for food is overfishing.

The demand for seafood rises along with the world population. To fulfill the rising demand, fishing efforts are increased as a result. When fish populations are overfished, their numbers are reduced and their capacity to reproduce and replenish themselves is compromised.

Overfishing endangers the long-term availability of fish as a food source and disturbs marine ecosystems and biodiversity.

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Answer:

A,C-  bile.

The bile salts participates in the processes of  fat digestions,it emulsify fats to micelle.It coats this so that   lipase enzyme action on it will be faster.

D-Pancreatic Lipase.This is the enzyme that catalysis the hydrolysis of lipds.it catalysis this to fatty acids and glycerol, for easy absorption in the lacteal.

E- Pancreatic Amylase- this is the enzyme present in saliva. It catalysis the hydrolysis of starch to maltose.This is the first step in the starch digestion.

B-Proteases. This catalysis the breakdown of protein(proteolysis) to amino acids.This occur by acting on the peptide bonds  among the amino acids units in protein molecules.This ensure the hydrolysis of protein into smaller units amino acids.

Explanation:

Living sustainable requires humans to not deplete earths natural capital while ensuring the entire human population has adequate and equitable access to natural income both now and in future generations.

These are materials which are present in nature and are needed by humans for the improvement of our living conditions. They are mostly naturally occurring and examples include minerals, water etc.

Living sustainable is characterized by people not depleting the earth natural capital which is referred to as land and this helps to provide various sources of income to individuals.

This ensures that there is enough for future generations to have access to and reduces the risk of mass death and other unpleasant things which may occur as a result of this situation.

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Answer:

d.

Explanation:

During conjunction the genetic material will be transferred through pilli.

During bacterial conjugation, genetic material is transferred from one bacterial cell to another through a structure called a pilus (plural: pili). Pili are thin, hair-like projections that extend from the surface of the bacterial cell and are used for a variety of purposes, including adherence to surfaces and transfer of genetic material. When two bacterial cells are in close proximity to one another, one of the cells can extend a pilus towards the other cell.

The pilus will then make contact with the recipient cell and transfer a small piece of DNA, known as a plasmid, across the intercellular space. This process allows bacteria to exchange genetic material, which can lead to the acquisition of new traits and the spread of antibiotic resistance. Capsules, cell walls, and the surrounding medium are not involved in the transfer of genetic material during bacterial conjugation.

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Answer:

all of the above they all work together

Because male creatures contain X and Y chromosomes, which are sex chromosomes, the law for dominance does not apply to them and they more susceptible to sex-related genetic diseases than female species.

Males only inherited one X chromosome, hence they only have one chance to receive the "good" allele because females contain two versions of an x-linked allele whereas males only carry one. Males are more likely than females to exhibit X-linked characteristics.

That's because X-linked diseases are typically brought on by a lack of functional copies of a gene found on the X chromosome. Males are born with just one X chromosome. Hence, they just require one malfunctioning .

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The following statements which are true relative to laboratory glassware include the following below:

This is also known as a conical flask or titration flask and it is a type of laboratory flask which is chiefly used for transport, storage, and mixing. It has a tapered shape which makes it unsuitable for a measuring instrument.

The  fluid volume in a pipette should be read from the bottom of the meniscus, not the top of the meniscus so as to avoid error due to parallax which makes the measurement inaccurate.

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Fragmentation is a form of asexual reproduction and is seen in annelids, fungi, cyanobacteria, sponges, and flatworms.

In Fragmentation, an organism divides itself into a number of fragments. It occurs when an organism completely breaks down independently irrespective of the other parts. Each one of these fragments matures into fully grown adults that are clones of the original organism.

Asexual reproduction usually involves the participation of a single parent alone can produce new offspring. The newly produced individual is genetically identical to one another and its parent. Both multicellular and unicellular organisms divide by fragmentation which is asexual reproduction.

Fragmentation is the most common method of reproduction in lower invertebrates. It is seen in many organisms including filamentous cyanobacteria, algae, lichens, molds, many plants, and animals such as flatworms,  annelid worms, sponges, and sea stars.

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The organisms that can reproduce by fragmentation are Option d Sponges and Sea anemones.

Fragmentation is a form of asexual reproduction in which an organism breaks into two or more fragments, and each fragment develops into a new individual. Both sponges and sea anemones are examples of organisms that exhibit this mode of reproduction.

Sponges are simple multicellular animals that lack true tissues and organs. They possess a porous body structure, and when a sponge is fragmented, each fragment has the potential to develop into a new sponge through regeneration. These fragments contain specialized cells called archaeocytes that can differentiate into various cell types required for the formation of a new sponge.

Sea anemones, on the other hand, are marine animals belonging to the phylum Cnidaria. They have a cylindrical body with tentacles surrounding their mouth. When a sea anemone is fragmented, each piece can regenerate into a complete individual. The process involves the differentiation of cells within the fragments, leading to the development of new tentacles, body parts, and eventually a mature sea anemone.

Both sponges and sea anemones have remarkable regenerative abilities, allowing them to reproduce through fragmentation. This form of asexual reproduction enables them to colonize new areas, expand their population, and adapt to changing environmental conditions. Therefore the correct option is D

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The Question was Incomplete, Find the full content below :

The organisms which can reproduce by fragmentation are:

(a) Corals and Sponges

(b) Corals and Spirogyra

(c) Sea anemone and Spirogyra

(d) Sponges and Sea anemones.

The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.

Thus, The components of fossil fuels are decaying plants and animals. These fuels may be burned to provide energy and can be found in the crust of the Earth.

An example of a fossil fuel is coal, as well as oil and natural gas. Coal is a substance that is typically found in sedimentary rock formations, which are collections of rock, dead plant and animal materials, and layers of silt.

A chunk of coal must contain more than 50% fossilized plant material. Shale is one sedimentary rock type that contains oil in its native form.

Thus, The fossil fuels were scattered, millions of years ago, when an asteroid hit Earth.

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Answer:

They produce toxins to help them claim physical space for which they compete with other sponges.

Explanation:

I took the test.

They produce toxins to help them claim physical space for which they compete with other sponges.

Sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera.

There are also many biological reasons why sponges are much more toxic than most other marine invertebrates, related to evolutionary advantages of being toxic. They produce toxin to compete with other sponges.

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Hi. We just had a session with this same question is there any doubt left?

Answer:

Cavern is the answer

option A

Answer:

A) Cavern

Explanation:

A cavern is essentially the same thing as a cave, but are typically large and deep and formed by the weathering of the rocks around it.

Answer:

zucchini

Explanation:

The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.

The correct answer is option B.

1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.

2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.

Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.

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Answer:english

Explanation: