1.Which bright solar feature is shown in the picture above?
Solar flare
Prominence
Sunspot
Convection zone
(Use image 2)

2.Which layer of the sun is responsible for producing the light shown in the picture above?
Radiative zone
Convective zone
Photosphere
Chromosphere
(Use image 1)

Answer: Option A; Only one

Explanation: Niche is space where the organism has a functional role. In a niche, only one species can exist, this is because if there are two species, there will be competition between them. In such a case, the species which will dominate, it will affect the survival of the other weaker one. This way, only one species will exist.

Answer: Bioluminescence.

Explanation:

Bioluminescence is the phenomena of production of light by living organisms.

This phenomenon is very common in deep sea oceans because at the depth of the ocean it is very dark and it helps the organisms to survive in the following ways :

1. It helps to attract prey.

2. It helps to confuse the predator.

3. To camouflage.

4. For communication.

5. To generate warning signals.

6. For illuminating the water column.

The index fossils have already established relative age. It is for that reason they can be used to estimate the age.

An index fossil is a fossil that spans a particular geologic time and/or given environment.

These types of fossils (index fossils) can be any type of preserved remains of an organism that lived on the Earth (e.g., an animal or plant).

For example, Ammonites are used as index fossils because they live only during the Mesozoic period (approx 245-65 mya).

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Index fossils are used to determine relative age and have specific characteristics such as wide geographic distribution and rapid evolutionary change.

An index fossil is a fossil that is used to determine the relative age of rock layers and the fossils within them. It is characterized by having a wide geographic distribution, being present for a short period of time, and undergoing rapid evolutionary change. Index fossils are found in many layers of the same rock, helping to establish relative age. They are not limited to a particular geographic location, as they can be found in different areas around the world.

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If a checkpoint in the cell cycle has broken down, the possible results are as follows:

Thus, any of these results are possible.

The cell cycle may be defined as the entire sequence of events that are happening from the end of one nuclear division to the beginning of the next. The complete cell cycle is divided into two major stages. They are as follows:

The checkpoints of the cell cycle are surveillance mechanisms that monitor or regulate the order, integrity, and fidelity of the major events of the cell cycle. These include growth to the appropriate cell size, the replication and integrity of the chromosomes, and their accurate segregation at mitosis.

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Answer:

four

Explanation:

Answer:

Its Y

Explanation:

Got it right on study island.

In addition to the tombs, archeologists have also discovered a large number of bakery sites near the Great Pyramid. In fact, there are enough bakeries to provide food for thousands of workers, which is how many it would take to construct the Great Pyramid.

A medicinal chemist like Dorothy in a pharmaceutical company can have many tasks, but one potential assignment could be designing and synthesizing new drugs. This involves identification of potential targets, computer simulations for molecule design, lab synthesis and testing

As a medicinal chemist working in a pharmaceutical company, Dorothy would have a variety of tasks. One potential assignment could involve designing and synthesizing new drugs to treat specific diseases. This usually starts with research to identify potential biological targets for a drug (such as a protein involved in a disease process). Once a target has been identified, she would then conduct computer simulations to design a molecule that can interact effectively with that target. The next step would be to synthesize the drug in the lab, and then conduct tests to determine its effectiveness, safety, and side-effects.

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Hurricane season in the Atlantic Ocean starts on June 1st and ends on November 30th.

Hurricane season starts on June 1st and ends on November 30th in the Atlantic Ocean. This is the period when conditions are most favorable for the development of hurricanes due to warm sea surface temperatures. However, it's important to note that hurricanes can occur outside of this designated season, although it is less common.

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Answer:

Living thing

Explanation:

Rice is the seeds of the plants whose scientific name is 'Oryza sativa' and is one of the annual crops. This crop can carry out the cellular respiration process that allows to utilize its nutrients and the cells are able to use it for energy. It also undergoes photosynthesis due to the presence of sunlight and the availability of carbon dioxide and water. It is the most consumed food in various countries.

So, rice can be considered to be a living thing.

Answer:

Disturbance to deep sea bed and biodiversity

Explanation:

Harvesting of mineral nodules on the sea floor is done by deep sea mining.

The adverse impacts of deep sea mining are as follows -

Degradation of habitat of ocean species living at the sea bed.

Degradation of habitat causes extinction of species

Noise pollution under the sea

Plumes of suspended sediments  

Disturbance in the ecosystem

Two types of vectors are Biological and Mechanical.

Vectors are important agents for cloning in biotechnology. Plasmids and bacteriophages are the two types of vectors.

Vectors are the important tools used in biotechnology for cloning the desired DNA sequence or a segment of gene in a host organisms.

Vectors are ideal for cloning as they are small in size and they have the unique ability of self-replication. Thus, they can efficiently multiply in the body of host.

Vectors also possess restriction enzymes which make them cleave at specific sites and thus it can be ideal for drug selection. Another important feature of vectors is that they do not pose any interference with the DNA of the host.

Yeast cells, bacteriophages and plasmids are the commonly used vectors in genetic engineering. Plasmids are widely used vectors isolated from bacteria. Bacterial artificial chromosomes and Yeast artificial chromosomes are also popularly used vectors for genetic modifications.

Thus, vectors are ideal and important for genetic engineering processes.

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The answer is 25 degree, because when the sun is directly overhead, its rays strike the earth at a 90 degree angle. The closer to 90 degrees the rays are, the more concentrated they are and the greater is the heat they produce on the earth's surface. The solar heat reach the surface of the earth becomes less intense as the angles of the rays decreases. 

Answer:

D. 25

Explanation:

Answer:

on usatestprep the answer D

b- increase in size // study island

The population will increase in size. Therefore, the correct option is option B among all the given options.

In human biology, population refers to the total population of a region (such as a nation or the entire world), which is always changing due to both gains and losses (such as births and immigrations). The availability of food, the impact of diseases, and various other environmental conditions all have an impact on the size of the human population, just like they do for any other biological species.

Social norms governing reproduction and technological advancements, particularly in medicine & public health, which have decreased mortality and increased life expectancy, have an additional impact on human populations. The population will increase in size.

Therefore, the correct option is option B.

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Answer:

B. form a solution with lipid molecules.

Explanation:

To be an effective solvent in living systems, a substance must be able to all BUT one of the following. That is form a solution with lipid molecules. Because water does not combine readily with lipids, lipids are able to form barriers, like cell membranes, within the living system called the cell.

Wind, friction, and the Coriolis effect combine to move water in a direction that is perpendicular to the wind due to the Coriolis effect and the Earth's rotation.

Wind, friction, and the Coriolis effect combine to move water in a specific direction. The correct answer to this question is B. Perpendicular to the wind. This is due to the Coriolis effect, which makes moving objects veer to the side because of the Earth's rotation. The combination of the wind (which pushes the water), the Coriolis effect (which turns the water to the side), and friction (which slows the water) creates a net movement of the water perpendicular to the wind's direction.

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Answer:

4.5 is the answer

Explanation:

I justddid it

The environmental change that occurs most rapidly among the options listed is human population growth (Option B).

Environmental changes refer to alterations in the natural world caused by a variety of factors, including natural forces and human activities. Environmental changes can be gradual or rapid, short-term or long-term, and can affect both living organisms and non-living things.

While the other options - forest succession, decomposition, and tornado - can occur relatively quickly in their own right, they are typically on a much shorter timescale compared to the exponential growth of human populations.

Human population growth has the potential to lead to significant environmental impacts, such as increased resource consumption, habitat destruction, and pollution, among others.

Therefore, it is essential to manage human population growth in a sustainable way to ensure the long-term health and wellbeing of both humans and the planet.

Environmental changes can have significant consequences for both human populations and natural ecosystems. They can lead to the extinction of species, increased frequency and severity of natural disasters, changes in weather patterns, loss of biodiversity, and disruptions to food and water supplies.

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Answer:

b

Explanation:

on edge