Answer:
1. High pressure: Happens when air cools and it becomes denser...
2. Low pressure: Happens when warm air rises...
3. Cold front: Cold air mass is replacing a warm air mass...
4. Warm front: Warm air mass is replacing a cold air mass...
5. Sun: Is necessary for evaporation to take place.
6. Nimbus clouds: Dark clouds that have rain or snow falling.
7. Cumulus clouds: Fluffy, dense clouds most composed of droplets.
8. Atmosphere: The layer of gases that surround the Earth.
9. Nitrogen: Makes up 78% of Earth's atmosphere.
10. Troposphere: Lowest layer of Earth's atmosphere. Where we live. Where we find most weather.
-Hope this helps.