A second class lever needs less effort to lift a heavy load. why??

What are segments of dna that code for a particular trait. a combination of dna and proteins make up what

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of