Why are Mercury, Venus, Earth and Mars called the "terrestrial" planets? A. They are all made of rock. B. They have all been able to support some form of life. C. They all have solid cores. D. They all have liquid cores and rocky surfaces.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Are the earth's ocean floor and continents the same age geologically? why or why not?

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.