Asource from which organisms generally take elements is called a/an
a. exchange pool.
b. food web.
c. reservoir.
d. biotic community.
answered|score .8

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

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