Why is the earth's gravity stronger than the moon's gravity? A:The moon is so far away from earth. B:The earth is more massive than the moon C:The moon has no mass. D:The earth has a larger volume than the moon.

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

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

Sort the examples by the type of diversity that they exhibit a park has 80 species of trees red, yellow, and orange bell peppers are all members of the same species individuals of the same lizard species have different mating strategies. five different bird species are at a bird feeder. genetic diversity species diversity