The gradual temperature change from one season to the next is due to what? view attachment

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

For waves in the ocean, the medium of the waves is a. air b. water c. energy d. a passing boat

What are the necessary conditions for fusion?