Answer:
Clouds are just lots of drops of water all stuck together. When clouds get so full of water droplets that they can't hold any more, the water falls back to the ground as rain! Sometimes the water droplets freeze and fall to the ground as snow, sleet, or hail. Water or ice that comes from clouds is called precipitation.
Answer:
the answer is the first one I guess
Coal/ fossil fuels is most likely the answer.
Neurons communicate using both electrical and chemical signals in the brain
