Which of the following statements is true of space exploration?

space exploration is too expensive to be of any good.
space exploration has given society many technological advances it would not otherwise have.
space exploration is not based on science.
space exploration is too limited to benefit society.

How was the climate when the ambulocetus was alive

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.