Answer: in order for a scientific investigation to be valid A hypothesis must be tested throughout a Scientific investigation that can gather evidence and support it.
Explanation: in any scientific investigation you have to have a testable hypothesis, without your hypothesis it’s not really a scientific investigation.
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Answer:
b all the water on earth would freeze
Explanation:
if heat were not trapped in the atmosphere it would become very cold causing the earths water to freeze.
Answer:
Is an animal that can be dependent or able to get internal generation from heat. So basically a warm blooded animal.
