Answer:
By breathing when oxygen enters the body it goes to alveoli and gas exchange occurs then carbon dioxide comes out of the the body
Answer:
<em>The correct option is D) Uneven heating of the air in the atmosphere</em>
Explanation:
Wind can simply be described as air which is moving or which is in motion. The uneven heating of the Earth's surface caused by the sun is the reason why winds occur. The difference in pressure of one area to another area causes the air to move and cause wind. The air tends to move from an area of higher pressure to an area of lower pressure and such is the movement of the wind.
Answer:
a measurement is a number that shows the size or amount of something. Usually the number is in reference to some standard measurement, such as a meter or kilogram.
The correct answer fro above statement is:
<h3> c. Half of all rainforest plants have been tested for their medicinal properties.</h3><h3>Explanation:</h3>
Twenty-five percent of the fresh components in cancer medications are particularly rainforest plants.Rainforests are essential because they serve control global climate trims and rain. Water that disappears from trees comes in other regions as rain.Twenty-five percent of Western pharmaceuticals are obtained from rainforest components. But since only a minute portion of rainforest organisms have been investigated, as the rainforest species escape so do possible remedies and therapies for life-threatening disorders.
D. A change in the amount of polar ice will alter how ocean currents move
