What is the most likely reason that horses and mountain goats have hooves

How does the bare soil surface type affect the amount of runoff

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

Can some one me to write a paragraph about the important natural resource to canadians, i need .