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QveST [7]
3 years ago
14

What has changed in the world that has resulted in the drastic increase of carbon dioxide levels in the atmosphere?

Biology
1 answer:
marusya05 [52]3 years ago
6 0

Answer: On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.

Explanation:

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The thyroid gland is sensitive to the amount of iodine in the blood. If there is not enough iodine, the thyroid gland can:
ankoles [38]

Answer:

The thyroid gland increase in size.

Explanation:

Iodine plays an important role in the generation of thyroid hormones and is mainly found in the soil in coastal areas and in seawater. In the developing nations, the individuals who live at high elevations or inland are generally deficient in iodine and can develop a condition known as goiters.  

In the condition, the thyroid gland increases in size in an attempt to get more iodine. However, in the countries where iodine is added routinely to foods and table salt, the lack of dietary iodine is not the typical reason of goiters.  

7 0
3 years ago
What is the purpose of oxygen in photosynthesis
arsen [322]

Answer:

Explanation:

<h2><u><em>In photosynthesis, solar energy is harvested as chemical energy in a process that converts water and carbon dioxide to glucose. Oxygen is released as a byproduct. In cellular respiration, oxygen is used to break down glucose, releasing chemical energy and heat in the process.</em></u></h2>
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4 years ago
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13. The diagram below represents a model cell setup. The locations of three different substances are indicated in the diagram. T
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Explanation:

3 0
4 years ago
Describe the molecules in a solid. How is that different than molecules in gas?
Lostsunrise [7]

Answer:

The molecules in a solid are more closely packed than those in a gas. Gas molecules are VERY spread apart, which is why we cannot see them.

Explanation:

5 0
3 years ago
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Why does the concentration of CO2 go up and down throughout the year?
nadezda [96]

the role of plants in carbon cycle

Explanation:

the amount of CO2 found in the atmosphere varies over the course of a year. much of this variation happens because of the role of plants in carbon cycle...respiration occurs all the time, but domains during the colder months of the year, resulting in higher CO2 levels in the atmosphere during those months.

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