*Psychology* Which IQ range indicates moderate mental ***********?
A.
70–79
B.
52–69
C.
36–51
D.
20–35
E.
19 or below

Answer: I think the answer is C

Explanation:

Answer:

D

Explanation:

Just got the answer right

As you can see in the images, there are 3 types of natural selection:

- Disruptive: In which the phenotypes at the extremes prevail instead of the phenotype in the middle which is the average.

- Stabilization: In which the middle phenotype prevails.

- Directional: One of the extreme phenotypes prevails.

Speciation is a process in which new species are formed from an initial species and can occur due to various conditions and therefore, there are several types. An example is the image (allopatric speciation) in which a geographic barrier divides the individuals of the population and over time, these give rise to different species.

Since disruptive selection is the only one that favors the presence of more than one phenotype, it is more likely to produce a speciation phenomenon in which 2 or more distinct species are obtained over time. Therefore, the answer is A.

The hydrogen bonding also contributes to the high specific heat of water, which is the amount of energy needed to raise the temperature of a unit mass of the substance by one degree.

Energy is an integral part of our lives and the Universe. It is a fundamental property that is found in all forms of matter and is necessary for physical and biological processes. It is the capacity to do work, and can be converted from one form to another. Energy can be kinetic or potential, and can be in the form of heat, light, electrical, or mechanical energy.

Hydrogen bonding is an important intermolecular force in water. This type of bonding occurs when two hydrogen atoms, each bonded to an oxygen atom, form a weak electrostatic attraction to another oxygen atom of a nearby water molecule.

The hydrogen bonding in water contributes to the high boiling point, surface tension, and density of the substance. It also increases the viscosity of water, making it a better solvent for many substances.

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The plant description that matches "plants that produce seeds that are not enclosed in a fruit, nonflowering, pine trees, cycads, firs, ginkgoes, and seeds are on cones" is gymnosperms. Gymnosperms are nonflowering plants that produce seeds not enclosed in a fruit, and they include pine trees, cycads, firs, and ginkgoes. The seeds of these plants are found on cones.

Gymnosperms are plants that produce seeds that are not enclosed in a fruit. The second description can be matched with nonflowering plants. Nonflowering plants are plants that do not produce flowers, and instead, they reproduce through spores or seeds. The third description can be matched with pine trees, cycads, firs, and ginkgoes. These plants are all examples of gymnosperms that produce seeds that are not enclosed in a fruit.

The fourth description can also be matched with gymnosperms. Gymnosperms have seeds that are on cones, which distinguishes them from angiosperms, which produce seeds that are enclosed in a fruit.

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A pros and disadvantages list is a straightforward yet effective method for making decisions that may be used to comprehend both sides of an argument.

The word “pros” refers to justifications for taking a specific course of action. Cons are reasons to disagree with it.

Models portray strange things with familiar objects. Models can assist you in mentally imagining something that is challenging to see or comprehend.

Therefore, There are discrepancies between the model and reality as a result of the assumptions that are made during modeling.

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Here's one possible answer (WORD FOR WORD ON PLATO)

●Pros.

•Simple images make the process easy to understand.

•The model accurately shows that protein synthesis has distinct stages.

●Cons.

•The model doesn't accurately show nucleotides in DNA and RNA.

•The model doesn't differentiate between the locations of processes. It fails to show which processes processes occur in the nucleus and which occur in the ribosome.

Oil and water don't combine because oil is nonpolar and water is polar. Therefore, when you dab at it with just water after enjoying a meal of fish and chips, you notice your shirt has an oily stain on it.

Oil and water don't mix. They're supposedly immiscible. This is due to the fact that water is a polar molecule, which means that one end of it has a positive charge and the other a negative charge. The reason why water molecules cling together is because one water molecule's positive end is drawn to another's negative end.

A molecule of oil has a non-polar structure. Its charge does not have a positive or negative end, but is evenly balanced.

As a result, the two never mix because water molecules are more attracted to each other than oil molecules are, and the opposite is true for oil molecules.

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In this case, the recombination frequency between A and B is 28%, and between A and C is 12%. This suggests that the genes are arranged in the following linear order: A, B, C.

This is because the 28% recombination frequency between A and B indicates that they are further apart than the 12% recombination frequency between A and C. Genes A, B and C are located on the same chromosome, which means they are linked. Testcrosses are a genetics experiment used to determine the genetic linkage and recombination frequencies between two genes.

The testcrosses in this question show that the recombination frequency between A and B is 28% and between A and C is 12%. This data can be used to determine the linear order of the genes.

Recombination frequencies are determined by the number of crossover events that occur between two genes on a chromosome. If two genes are close together on a chromosome, it is more likely that there will be fewer crossover events between them, resulting in a lower recombination frequency. The closer the two genes are together, the lower the recombination frequency.

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Scale of the model: 1:10,000. To find the scale of the model, we need to compare the size of the model to the actual size of the red blood cell. Given that the diameter of the red blood cell is 0.008mm and the diameter of the model is 80mm, we can calculate the scale by dividing the diameter of the model by the diameter of the actual cell.

Scale = Model diameter / Actual cell diameter

Substituting the given values:

Scale = 80mm / 0.008mm

Simplifying the expression:

Scale = 10,000

Therefore, the scale of the model is 1:10,000.

1. Identify the diameter of the red blood cell: 0.008mm.

2. Identify the diameter of the model: 80mm.

3. Use the formula Scale = Model diameter / Actual cell diameter.

4. Substitute the values into the formula: Scale = 80mm / 0.008mm.

5. Simplify the expression to find the scale: Scale = 10,000.

6. The scale of the model is 1:10,000, indicating that the model is 10,000 times larger than the actual red blood cell.

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Answer:

The answer is "A"

Explanation:

They cannot make their own food, they are heterotrophs

Answer:
A universal common ancestor (UCA).

Explanation:
According to Darwin, all life on Earth evolved from a universal common ancestor; that is, the very first organism on Earth. If you pick any living plant or animal on Earth and trace its lineage back far enough, billions of years ago, you will eventually find the UCA. Every species on Earth is united to every other species through their connection with the UCA.

The UCA itself was probably a single-celled organism of some kind and died about 4.1 billion years ago. But through it, every species, be it human, dog, tree, or mushroom, shares this one ancestor with everyone else.

Species also have what's called a lowest common ancestor with each other, much more recent than the UCA. For example, the LCA between humans and chimpanzees probably lived and died around 4 million years ago.

Answer:

C

Explanation:

hope this helps

The list of biomes that shows environments from the highest average temperature to the lowest average temperature is desert, swamp, and mountain. Therefore, option C is correct.

Since they belong to certain areas or zones that, due to their geographical characteristics, share a climate, vegetation, and wildlife, biomes provide the primary support for the harmony of nature.

Any biome can include a wide range of habitats because the term "biome" is more general than "habitat." An area's climate and geography determine the biome classification. Communities that have adapted to the unique climate and ecology of the biome make up each one. Depending on the surroundings, they come in a variety of forms. The temperate deciduous biome is the ideal environment for human habitation.

The list of biomes that shows environments from the highest average temperature to the lowest average temperature is desert, swamp, and mountain. Therefore, option C is correct.

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Answer:

By doing more research.

Explanation:

The cell theory change with the passage of time by doing more research about the cell. The final modification of the cell theory done by Rudolf Virchow in 1855 on the basis of his new research and findings about the cells.    With the passage of time, modification occurs in microscope which enable the scientists to find different parts, organelles and features of cell on the basis of which scientists modify cell theory with the passage of time.

E) A, B and C. Synapsis, homologous recombination, and reduction division are characteristics that are exclusive to meiosis.

Meiosis and mitosis are distinct from one another in addition to the reduction in the number of chromosomes.Meiosis specifically produces novel genetic material combinations each of the four daughter cells.These novel pairings are the result of DNA switching between linked chromosomes.

Homologous chromosomal pairing, crossover, and tetrad formation are among the actions that take place in mitosis but not during mitosis.

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Answer:

OCEAN LITTER

Litter in the world’s oceans comes from many sources, including containers that fall off ships during storms, trash that washes off city streets into rivers that lead into the sea, and waste from landfills that blows into streams or directly into the ocean. Once in the ocean, this debris may degrade slowly and persist for years, traveling the currents, accumulating in large patches and washing up on beaches.

PESTICIDES AND FERTILIZERS

Use of pesticides and fertilizers on farms has increased by 26-fold over the past 50 years, fueling increases in crop production globally. But there have been serious environmental consequences. Indiscriminate pesticide and fertilizer application may pollute nearby land and water, and chemicals may wash into nearby streams, waterways and groundwater when it rains. Pesticides can kill non-target organisms, including beneficial insects, soil bacteria and fish. Fertilizers are not directly toxic, but their presence can alter the nutrient system in freshwater and marine areas. This alteration can result in an explosive growth of algae due to excess nutrients. As a result, the water is depleted of dissolved oxygen, and fish and other aquatic life may be killed

AIR POLLUTION

Air pollution brings to mind visions of smokestacks billowing black clouds into the sky, but this pollution comes in many forms. The burning of fossil fuels, in both energy plants and vehicles, releases massive amounts of carbon dioxide into the atmosphere, causing climate change. Industrial processes also emit particulate matter, such as sulfur dioxide, carbon monoxide and other noxious gases. Indoor areas can become polluted by emissions from smoking and cooking. Some of these chemicals, when released into the air, contribute to smog and acid rain. Short term exposure to air pollution can irritate the eyes, nose and throat and cause upper respiratory infections, headaches, nausea and allergic reactions. Long-term exposures can lead to chronic respiratory disease, lung cancer, and heart disease. Long-term exposures also can lead to significant climatic changes that can have far reaching negative impacts on food, water and ecosystems.

NOISE AND LIGHT POLLUTION

Artificial light and noise often drown out natural landscapes. In the Arctic, the sounds of oil and gas explorations are so loud that belugas, bowhead whales and other sea life have had difficulty feeding and breeding. Light pollution disrupts circadian rhythms for both humans and animals alike and may even contribute to the development of cancer. Light pollution also can impact sea turtles. Adult and hatchling sea turtles are drawn toward lights along the beach, thinking they are heading toward the moon. Coastal developments, therefore, are encouraged to turn off their lights or cover them at night

Explanation:

Aquatic animals such as fish and frogs are especially good indicators of water pollution because they directly interact with the water and are highly sensitive to changes in their environment.

1. Fish and frogs live in water and depend on it for their survival. This means that any changes or pollutants in the water directly affect them.
2. These animals have adapted to their aquatic habitats over millions of years, developing specialized organs and systems to extract oxygen from water and filter out impurities.
3. Water pollution, such as the presence of toxins or excess nutrients, can disrupt the delicate balance of the aquatic ecosystem. Fish and frogs are highly sensitive to these changes and will exhibit visible signs of distress or illness.
4. Monitoring the health and behavior of fish and frogs in a body of water can provide valuable information about the presence and severity of water pollution.
5. By studying the population and diversity of these organisms, scientists and researchers can draw conclusions about the overall health and quality of the water ecosystem.

Aquatic animals such as fish and frogs serve as reliable indicators of water pollution due to their direct interaction with water and their sensitivity to environmental changes. Monitoring their health and behavior helps scientists assess the impact of pollution on aquatic ecosystems and take appropriate measures to protect and restore water quality.

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Answer: False - both organisms work together to help each other

Answer:

false

Explanation:

The population of deer in the meadows would be more at risk if a forest fire hit and burned their entire food source.

Deer in meadows rely heavily on grasses and shrubs for their food source. If a forest fire were to burn their entire food source, the deer population in meadows would be at a greater risk than the deer population in the forest. Deer in forests have a more varied diet, including leaves, twigs, and bark, which may not be affected by a forest fire. In addition, the forest provides a greater amount of cover for deer in the event of a fire, while the meadows have less protection. The loss of their food source and habitat could lead to a significant decline in the deer population in meadows, potentially impacting the entire ecosystem

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Answer:

Elliptical. Hope this helps!

The action by which a fluid enters the microhematocrit tube because of the attraction between the fluid and the tube is called capillary action.

Set up teams to carry out water purification is not a step in the multi-barrier approach followed by the EPA.

The initials EPA are used to refer to the Environmental Protection Agency of the United States. It is a federal agency that was established in 1970 with the goal of preserving the environment and public health via the creation and application of regulations that are based on legislation passed by Congress.

It is not part of the  multi-barrier approach followed by the EPA to set up teams to carry out water purification

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Let us represent the heterozygous with freckles by Ff and the homozygous with no freckles by ff. Thus, we construct the following Punnet square:

From this punnet square we see that:

50% of the offspring will be heterozygous with freckles (Ff).

50% of the offspring will be homozygous with no freckles (ff).

Answer:

correct, its contraction and relaxation of the heart

Explanation:

by the help of pacemaker cells, contractions of our hearts are in control

Answer:

contraction and relaxation of the heart

Explanation:

c or contraction and relaxation of the heart

Why does the paper not flutter?

What factors might cause this?

Would the scenario be different if there was a fan nearby?

I hope this is what you were looking for, and that it helps you!

There are holes in the end of the phloem tubes because Phloem consists of sieve tube cells and companion cells for conduction of food These sieve elements are placed end to end . At the the junction of two sieve elements there is a plate called sieve plates having circular pores.

The correct answer is a. zero discharge. The goal for hazardous waste management should be to minimize the amount of hazardous waste generated, and to ensure that any waste that is generated is properly treated, stored, and disposed of in a way that minimizes risks to human health and the environment.

Zero discharge is a concept that refers to the goal of eliminating the discharge of hazardous waste to the environment, whether it be to air, water, or land.

Increasing the generation of hazardous waste or adding more regulations would not be consistent with the goal of hazardous waste management, as it would increase the risks to human health and the environment. Therefore, option b and c are incorrect.

Hazardous waste is any waste that poses a substantial threat to human health or the environment. This can include waste that is toxic, flammable, corrosive, reactive, infectious, or radioactive. Hazardous waste can be generated from a wide variety of sources, including industrial processes, agricultural activities, medical facilities, and households.

Hazardous waste management involves a number of steps, including waste minimization, treatment, storage, transportation, and disposal. Waste minimization is the process of reducing the amount of hazardous waste that is generated, by modifying industrial processes, reducing chemical use, or finding alternative materials.

Treatment of hazardous waste may involve physical, chemical, or biological methods to reduce its toxicity or volume. Storage of hazardous waste must be done in a way that minimizes the risk of spills or leaks, and transportation of hazardous waste must be done in accordance with strict regulations to ensure that it is transported safely and securely.

Disposal of hazardous waste must be done in a way that minimizes risks to human health and the environment. This may involve land disposal, incineration, or other methods that are designed to destroy or immobilize hazardous waste. The goal of hazardous waste management is to minimize the risks posed by hazardous waste, and to ensure that it is managed in a way that is safe, effective, and environmentally sustainable.

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Viral RNA plays a crucial role in the production of viral proteins. Once the virus infects a human host cell, the viral RNA enters the host cell's cytoplasm.

The viral RNA carries the genetic instructions necessary for the synthesis of viral proteins. It serves as a template for the host cell's ribosomes to read and translate into viral proteins.

The viral RNA is transcribed into messenger RNA (mRNA) by the host cell's enzymes. The mRNA then moves to the ribosomes, where it is used as a blueprint for protein synthesis. Ribosomes read the sequence of the viral mRNA and assemble the corresponding amino acids into viral proteins.

These viral proteins are essential for the replication and assembly of new virus particles. They include structural proteins that form the viral capsid or envelope and non-structural proteins that are involved in various stages of the viral life cycle, such as viral replication and evasion of the host immune response.

Therefore, the viral RNA acts as a crucial intermediary between the virus's genetic information and the production of viral proteins, enabling the virus to hijack the host cell's machinery for its own replication and propagation.

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These absorbances vary because while each of the solutions have the same concentration, path length, and wavelength of monochromatic light, they will all have different molar absorptivity values (which is a constant for that depends upon the identity of the solution in beer's law calculations).

Molar absorptivity, also known as extinction coefficient, is a measure of how strongly a substance absorbs light at a particular wavelength. This value depends on the chemical structure of the substance and its electronic transitions. Therefore, solutions with different chemical identities will have different molar absorptivity values, resulting in varying levels of absorbance despite having the same concentration, path length, and wavelength of light.
The missing term in your question is "molar absorptivity" or "molar absorption coefficient." These absorbances vary because while each of the solutions has the same concentration, path length, and wavelength of monochromatic light, they will all have different molar absorptivities (which is a constant that depends upon the identity of the solution in Beer's Law calculations). Molar absorptivity is a measure of how well a substance absorbs light at a specific wavelength and is unique to each substance, which causes the observed variation in absorbance.

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