Rafi made a diagram to compare newton's universal law of gravitation with einstein's general theory of relativity. which label belongs in the area marked x? earth pulls objects toward its center. gravity causes objects to fall to the ground. the curvature of space-time pushes objects toward the ground. gravity is an attractive force in the universe.

After an atomic bomb has been dropped, the damage continues to get worse. why is this?

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

Animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. reactivate d) a dog is getting hot in the sunlight, so he moves to a shaded area.