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barxatty [35]
3 years ago
8

What is responsible for most of the atmospheric circulation?

Biology
1 answer:
Ivahew [28]3 years ago
4 0

The answer is A. The main driver of the convention in atmospheric circulation is the suns energy. When the sun heats the earth, the atmosphere directly below the sun gets heated more and faster compared to other regions causing an area of low pressure. This hot air mass rises and is replaced by cooler air masses (from high-pressure regions) from neighboring regions. This, essentially, causes winds and air currents.






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How does heart rate change during and after an exercise is performed for two different periods of time?
andrew-mc [135]

Answer:

During exercise, your heart typically beats faster so that more blood gets out to your body. Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps.

Explanation:

8 0
3 years ago
Place the events in the correct order:
Alecsey [184]

Answer:

1. Chromatin condense into chromosomes.

4. Homologous chromosomes pair up (formation of tetrads).

5. Homologous chromosomes separate and move to poles.

2. Sister chromatids separate.

3. Chromosomes unravel in to chromatin.

Explanation:

This question portrays the process of meiosis in a cell. The ordered sequence of events in the options are:

1. Chromatin condense into chromosomes - This process occurs in the Prophase stage. Prior to the cell division, the nuclear material is found as Chromatin material. This Chromatin material then undergoes condensation to form visible chromosomes.

4. Homologous chromosomes pair up (formation of tetrads) - This process also occurs during the Prophase stage of meiosis I. In this stage, homologous chromosomes (similar but non-identical chromosomes received from each parent) are paired up side by side to form a structure known as TETRAD or BIVALENT.

5. Homologous chromosomes separate and move to poles - This process characterizes the Anaphase stage of meiosis I. Homologous chromosomes are pulled apart to opposite poles of the cell by spindle microtubules.

2. Sister chromatids separate - After meiosis I, meiosis II involving sister chromatids instead of homologous chromosomes follows. In the Anaphase stage of meiosis II specifically, sister chromatids are pulled apart towards opposite poles of the cell.

3. Chromosomes unravel in to chromatin - After the whole division process i.e. karyokinesis (division of the nuclear material), the chromosomes begin to unravel to form the CHROMATIN threads once again. This process occurs in the Telophase stage of meiosis.

5 0
3 years ago
Describe at least 2 ways in which nature can impact an ecosystem over a long period of time.
Juliette [100K]

Answer:

Can destroy habitats and food supply

Explanation:

8 0
3 years ago
Which of the following adds to the greenhouse effect and global warming?
Natali5045456 [20]

Answer:

The gases that contribute to the greenhouse effect include water vapor, carbon dioxide (CO2), methane, nitrous oxides, and chlorofluorocarbons (CFCs). On Earth, human activities are changing the natural greenhouse

Explanation:

mark brianiest

7 0
2 years ago
Convert 86,000 cm to km. Show all of your work.
Dominik [7]
Centimeter = 1/100 of a Meter
Kilometer = 1000 Meters

86,000/100 = 860 Meters
860/1000 = 0.86 Kilometers
3 0
2 years ago
Read 2 more answers
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