I think it’s Commensalism since it is an interaction in which one individual benefits while the other is neither helped nor harmed.
Gravity only depends upon the mass of an object.
There are 5 levels of cell organization recognized by biologists.
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.
