16. An estimate is not a guess because an estimate is based on some previously held information.
17.Precise
19. Objective reasoning
20.Pseudoscience
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Answer:
Farming meant that people did not need to travel to find food. Instead, they began to live in settled communities, and grew crops or raised animals on nearby land. They built stronger, more permanent homes and surrounded their settlements with walls to protect themselves.
Explanation:
Actually NASA never sent a spacecraft through the asteroid belt because it was to risky, instead they sent it around the other way of Jupiter.
C) The Articles of Confederation was the country's first "rough draft" of the Constitution you could say and when they figured it was not going to work they created the Constitution.