Answer:
It is important to have more than one piece of evidence to make sure that the evidence is actually evidence. Or in other words, that the evidence is proven true. With only one piece of evidence, you can't be fully sure if calculations were correct, if the source was trustworthy, etc.
Multiple evidence is kinda like double checking math problems. If you don't do it, you can't be 100% certain the answer is correct.
Answer: some members are shaped like rods and termed bacilli
A haploid cell formed in the male testes is the correct answer
The answer is Physical Weathering, also known as Mechanical Weathering
