Answer:
B. D.
Explanation:
B. because the temperature changes and when it changes a chemical change because there is not heat or coldness to change it with physical change.
D. because you are mixing the colors so that the color of whatever substance you are changing the color of is changing what the specific color was before.
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Answer:
These clouds form as air near the ground is rising. As the air rises it expands and cools. This cooling causes the relative humidity to increase as the rising air temperature approaches the dew point temperature. ... The closer the temperature and dew point, the lower the cloud base.
Explanation:
They give it structure mostly. They also surround the organelles.
The basic unit of structure and function is cells