Answer: A. An explanation of the colors and symbols used on the map
Explanation:
Answer:
For any system closed to all transfers of matter and energy, the mass of the system must remain constant over time.
Explanation:
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 earth.
Explanation:
A spherical or rounded object.