Answer:
The human population increased slowly and then had a very rapid increase,
Explanation:
The graph shows a slow increase from 1300 until the line suddenly shot up. So it slowly increased that had a "rapid" increase.
Answer:
The drops of water in the clouds are heavy enough to fall.
Explanation:
Precipitation forms in the clouds when water vapor condenses into droplets of water. When the droplets are heavy, they fall to the Earth. These droplets can fall in the form of rain, hail, or snow.
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