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
Explanation:
food source deals with agriculture aka farming
Answer:
Conjugative Pili
Explanation:
Conjugative Pilli:allows for the transfer of DNA between bacteria, in the process of bacterial conjugation.