Answer:
biological macro-molecules
Explanation:
The Carbon Cycle is the <span>process releases carbon dioxide back into the air</span>
Answer:
LEFT :)
Explanation:
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Farming meant that people did not need to travel to find food.( nomadic lifestyles became scarce) Instead, they began to live in settled communities,or villages and grew crops or raised animals on nearby land. They built stronger, more permanent homes and surrounded their settlements with walls to protect themselves.