How did the appearance of the smallest creatures, such as the microbes and bacteria, in earth's early history impact the geosphere?

a)
formation of rocks

b)
enriching the soil

c)
decreased moisture

d)
caused land erosion

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

Determine the maximum r-value of the polar equation r =3+3 cos 0

How many times did thomas edison mess up the light bulb