The pectoralis major is a big chest muscle otherwise known as your pecs (lol)
and it helps the arms so i would say pushups.
Another name is hydrologic cycle.
Short answer is: D and A :) If you need an explanation, tell me and i will be happy to explain
These are the most important 6 biomes:
1. Freshwater
<span>2. Marine
</span>3. Desert
<span>4. Forest
5. Grassland
</span>6. Tundra<span>.</span>