Answer:
i think oh is a radicalin these option.
Answer:w
when a gas is compressed, its' volume decreases.
Explanation:
When a gas is compressed, its volume usually decreases which also causes an increase in temperature. The pressure in addition increases which causes and increase of gas molecules. The molecules collide more frequently which is the reason why temperature will increase.
• Wear safety goggles
• Hold the test tube at an angle. Point the test tube away from yourself and all other people. Heat the test tube over the bunsen burner gently from the top of the substance being heated, and always.
hope this helps x
Polar ice cap
Explanation:
The polar ice cap is an area on the earth that extends from 66.5° north and south of the equator to the poles.
The polar ice cap is an area of very low temperature and the surface is mostly covered by ice.
- The vast polar ice caps the earth's northern and southern limits.
- This is the region of the Arctic and Antarctic circle.
- This region receives diffused solar radiation from the sun.
- This is why they rarely warm up.
- The region of the equator has no ice because they receive direct sunlight.
- The soil here is frozen.
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Tundra brainly.com/question/2334099
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