How did the research presented in the article affect scientists’ understanding of the evolution of eukaryotes?

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on

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There are no negative consequences to using nuclear energy.  false. how is the   the hydrogen bomb relies on the process of nuclear fission. true.