Which characteristics of a star determines a star color

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?