Where are hot and very luminous stars shown on the H-R diagram?
top right
bottom right
top left
bottom left

The most likely to happen when new scientific information is discovered that does not match a current model is that the model is refined or improved according to the new evidence. If it can not be adjusted to it, the model would be discarded.

The correct answer is option C.

Answer:

I will anwer the question.

Explanation:

Pasture Intensification. ...

Rotational Grazing. ...

Concentrated Animal Feeding Operations (CAFOs) ...

Crop Irrigation. ...

Genetically Modified Organism (GMO) Seeds. ...

Use of Agrochemicals. ...

Livestock. ...

Aquaculture.

Answer:

C. limestone

Explanation:

Answer: the answer to your question is limestone so that is ur answer tothe question

Explanation:

sorry im dislexic

Answer:

Answers here just click https://dffrg.com

Explanation:

:)

He will be less likely to contract an STI.

Option B is the correct answer.

STI stands for sexual transmitted infection.  A sexually transmitted infection (sexually transmitted disease) is a serious condition that can develop after you have sex.

So if Nasir is 12 years old, and if his caregivers talk with him openly about sexuality, he will be well informed about dangers of premature sex and sexually transmitted disease.

Thus, he will be less likely to contract an STI.

The wrong choices in the given options are;

He will soon come out as gay.

He will have sex by age 13.

He will marry by age 18.

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Answer:

it is a term in agriculture that shows that acidity or alkalinity of soil

Answer:

A community of living organisms/creatures that "live an interact with each other in a specific environment".

Explanation:

This definition is on g00gle.

Hope this helps though!

brainiest plz?

An example of an R-selected species would be one that produces a large number of progeny with small size. So, the correct option is C.

R-selected species are characterized by their reproductive strategy, which focuses on producing a large number of offspring with relatively small size. These species prioritize quantity over quality when it comes to offspring production.

Option ''Large number of progeny with small size'' represents an example of an R-selected species. These species typically have a high reproductive rate and invest minimal resources in individual offspring. By producing a large number of progeny, they increase the chances of survival and successful reproduction in unpredictable or unstable environments.

Therefore, the correct option is C.

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Complete Question:

Which of the following would be an example of an R-selected species?

Fish represents the fourth trophic level in this food chain. Algae make up the first trophic level, followed by mosquito larva, dragonfly larva and finally fish. Man is the fifth trophic level.

Larva (plural larvae) are the immature, wingless, and usually worm-like forms of insects that occur between hatching from an egg and metamorphosis into the adult form. Larvae are the most widespread life-stage of insects, and can be found in a wide variety of habitats, including aquatic, terrestrial, and even parasitic environments. Depending on the species, the larva may have different morphologies and feeding habits, and may go through several molts and instars to reach the adult stage. Some species remain in the larval stage for the entirety of their lives.

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Complete Question:
Which trophic level does a fish represent in this food chain? algae S mosquito larva S dragonfly larva S fish S man.

Answer:

External factors can be cell to cell contact. Internal factors can be when the DNA is disrupted or a cell already has two of a part then will be divided.

Explanation:

Cell to cell can make a cell think it has already been divided while if DNA is disrupted it could cause nonstop growth, known as cancer.

Cells in contact with one another can be considered an external force. Internal factors can play a role in cell division, such as when the DNA of a cell is damaged or when it already contains two copies of a particular component.

Signals that come from the outside can be either physical or chemical. Contact between individual cells is an illustration of a physical component. Once they come into contact with other cells, the vast majority of mammalian cells will cease their dividing. One example of a chemical signal would be growth factors, which are proteins that encourage cell proliferation and are also an example of chemical signals.

Internal factors such as kinases and cyclins are responsible for regulating cell division. Cyclin-dependent protein kinases are responsible for determining, once cells reach a checkpoint in the middle of the cell cycle, whether or not they will continue the process of cell division or call an end to it.

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Answer:

C. Gulf Stream

Explanation:

The BAC of a person who has a slight impairment of judgment and coordination is 0.05 percent.

At a BAC of 0.05%, the person may experience a slight impairment of judgment, coordination, and inhibitions, leading to reduced alertness and decreased concentration. However, in most countries, including the United States, this BAC level is still legally allowed to drive. It's important to note that alcohol affects people differently based on various factors such as weight, gender, and metabolism, so it's always best to avoid drinking and driving altogether.

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--The complete question is, What is the BAC (blood alcohol concentration) of a person who has consumed alcohol to the extent that they have a slight impairment of judgment and coordination, but are still legally allowed to drive in most countries, including the United States?--

Answer:

Explanation:

Antibiotics themselves do not directly cause mutations in bacteria. Mutations occur naturally as a result of errors in DNA replication or exposure to mutagenic agents. However, the use of antibiotics can increase the rate of mutation in bacteria. This occurs because antibiotics can kill off susceptible bacteria, leaving behind only those that have developed resistance mechanisms through mutations. Over time, the selective pressure created by repeated exposure to antibiotics can lead to the evolution of increasingly resistant bacterial strains, which can then be passed on to other bacteria through horizontal gene transfer.

Additionally, the use of antibiotics can also create an environment in which bacteria are more likely to acquire new mutations, as the drugs can interfere with the normal processes of cell division and DNA repair, increasing the likelihood of errors. In this way, the use of antibiotics can indirectly contribute to the evolution of antibiotic-resistant bacteria, although the actual mutations themselves are not caused directly by the drugs.

Answer:

crossing over

Explanation:

During prophase of meiosis I, the double-chromatid homologous pairs of chromosomes cross over with each other and often exchange chromosome segments. This recombination creates genetic diversity by allowing genes from each parent to intermix, resulting in chromosomes with a different genetic complement.

Genetic variation can occur during meiosis because of the process of crossing over.

Crossing over is a cellular process that happens during meiosis when chromosomes of the same type are lined up. When two chromosomes one from the mother and one from the father line up, parts of the chromosome can be switched.

Crossing over is an enzyme-mediated process, where the exchange of genetic material between non-sister chromatids of homologous chromosomes takes place. It occurs at the pachytene stage of prophase I of meiosis.

During crossing over, part of one chromosome is exchanged with another. The result is a hybrid chromosome with a unique pattern of genetic material.

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Answer:

Zygote

Explanation:

A zygote is a fertilized egg.

Answer:

zygote

Explanation:

they're correct !

One way mining cannot change the land is by not having any impact on the local ecosystem.

However, this is unlikely as mining activities often involve extensive modifications to the surrounding environment. One way that mining can change the land is by requiring the construction of roads to access the site.

These roads can fragment habitat, disrupt wildlife movement patterns, and lead to erosion and sedimentation of waterways. Additionally, mining can also require the removal of trees to clear land for operations,

which can have significant impacts on the local flora and fauna. The removal of trees can reduce habitat, increase soil erosion, and impact the local water cycle.

Therefore, mining activities can have significant impacts on the surrounding environment and require careful management to minimize these effects.

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Given what we know about genetic mutation, we can confirm that unless the mutation is of the silent type (and sometimes regardless of this), it will in fact change the amino acid that the codon specifies.

Mutations are changes in the DNA sequence of a cell that occur during the replication phase. Cellular mutations can be of many types, such as:

and so on, each of which can have varying effects on the amino acid produced.

Most mutations will affect the resulting amino acid in some way. Insertion and deletion tend to be the most harmful mutation types as they alter the way in which the genetic code is processed. Some mutations, however, can be silent, meaning they have no harmful effects due to the fact that the new sequence either encodes the same amino acid or one with a similar enough function. This is possible through mutations like substitution.

Substitution mutations change one nucleotide in a sequence for another. At times, the new sequence will actually encode for the same amino acid as before despite the change. This is one of the only situations in which the amino acid will not be changed. Most often, if a mutation occurs, we can expect the resulting amino acid to change.

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Resource economics is a discipline that examines how societies employ their limited resources. The primary purpose of resource economics is to analyze how resources are developed, utilized, and depleted over time.

In general, the study is concerned with the optimal use of resources in a way that maintains or increases the well-being of people over time.The following statement best explains the importance of resource economics: It examines the cost and profits of resource use. According to resource economics, the optimal use of resources is obtained when the cost of producing and distributing goods is at the lowest possible level, while still guaranteeing that the goods and services are of high quality.

In order to achieve this, resource economics analyses the cost and benefits of resource use, and offers insight into how society can make the most efficient use of its limited resources. Therefore, this statement is the most appropriate, since it clarifies that resource economics is concerned with analyzing the cost and profits of resource use, which is necessary for any community to use its resources in a way that is both sustainable and profitable. Resource economics examines how resources are utilized and depleted over time, with the aim of maintaining or increasing the well-being of people over time.

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mitosis refers to the parts of the original nucleus into two nuclei. On the other hand, meiosis refers to each having half chromosomes of the original cell.

in mitosis, there is the maintenance of chromosomes takes place while meiosis leads to a reduction in the no. of chromosomes. There are no variations in mitosis and variants occur in meiosis.

hence at last we can say that the above are the major difference between mitosis and meiosis. All of the explained differences will clearly lead to identifying them in particular. mitosis and meiosis plays a vital role in formation of gametes.

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The diameter of the nucleus of the cell on the left is 1000 nanometers, using the scale bar.

The diameter of the nucleus can be determined by using a scale bar. A scale bar is a line that is drawn on an image to indicate the size of the objects in the image. The scale bar is usually measured in micrometers (µm) or nanometers (nm).

The scale bar on the image is 400 nanometers. The nucleus of the cell on the left is approximately 2.5 times the length of the scale bar. Therefore, the diameter of the nucleus is approximately 1000 nanometers.

Diameter of nucleus = 2.5 × 400 nm = 1000 nm.

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A solid is held in shape by strong intermolecular forces. Therefore, the correct option is (A).

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Answer:

It depends.

Explanation:

Some types of plankton float through the water.

While some types have a whip-like tail (flagella) to move through the water.

Answer:

Most plankton are very buoyant and float closer to the surface of the ocean rather than the bottom, but the current also greatly helps the plankton move from place to place

Explanation:

hope this helps :)

Mangroves are coastal ecosystems that provide habitats, food, and protection for various species, supporting the food web.

The mangrove ecosystem is a unique and highly productive coastal habitat characterized by mangrove trees, which are specially adapted to survive in saline environments. Mangroves are typically found in tropical and subtropical regions along sheltered coastlines, estuaries, and intertidal zones.

Mangroves are vital in sustaining the ecosystem by providing various ecological services. One of their significant contributions is their role in the food web or food chain.

They serve as a critical nursery and feeding ground for a diverse range of marine species. The intricate network of roots, known as prop roots, provides habitat, protection, and feeding opportunities for numerous organisms, such as fish, crustaceans, mollusks, and birds.

The mangrove leaves and detritus that fall into the water serve as a source of organic matter and nutrients, fueling the base of the food web. Decomposers and detritivores break down the organic matter, which is then consumed by various organisms.

Small organisms, like zooplankton and small fish, feed on the decomposers and detritivores, becoming prey for larger predators such as fish, birds, and reptiles.

Furthermore, mangroves act as a buffer against coastal erosion and storm surges, protecting shorelines and adjacent habitats. They also contribute to water filtration, nutrient cycling, and carbon sequestration, and provide a habitat for numerous endangered and migratory species.

In summary, the mangrove ecosystem plays a crucial role in sustaining the food web or food chain by providing habitat, nursery areas, and food sources for a diverse array of organisms. Their presence supports the productivity and biodiversity of coastal ecosystems, making them an essential component of coastal environments worldwide.

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Answer:

Transcription and replication are important processes that occur in cells but have distinct differences.

Similarities between transcription and replication:

1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.

2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.

Differences between transcription and replication:

1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.

2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.

3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.

4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.

Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.

Explanation:

A mutation is referred to be a genetic disease if it negatively affects the offspring's phenotypic. Alternatively, a mutation is referred to be an adaptation if it enhances the fitness of the progeny.

Genetic differences may exist within a population as a result of mutations. An organism may be better suited to its environment and survive to reproduce thanks to advantageous mutations. In a population, advantageous features are encouraged so that they might grow more prevalent.

Different features can be introduced into an organism via genetic changes that change the action of genes or proteins. if a characteristic aids the creature in surviving and procreating.

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Answer:

Combination 2

Explanation:

Answer:fter photosynthesis, plants release oxygen into the atmosphere. This is one of the most significant ways that plants contribute to the carbon cycle's oxygen cycling.

In the process of photosynthesis, plants create oxygen and glucose, a form of sugar, from carbon dioxide, water, and sunshine. Animals and other species use the waste product of photosynthesis, oxygen, which is discharged into the atmosphere, for breathing. Overall, photosynthesis and plant respiration are just two examples of the numerous creatures and natural processes that contribute to the intricate process of oxygen cycling in the carbon cycle.

Therefore, the correct option is B.

Explanation:

Your proof is that i had a unit like this and i got a 100

Answer:

true

Explanation:

It is very much so possible

Answer:

Why is the ability to adjust conclusions when necessary important to critical thinking? When new information leads to new and different conclusions, it is important to be able to adapt to the most up-to-date conclusions.