Please help..

what is the mechanical advantage of a 15-meter ramp that rises 3 meters?

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?

What are the three groups of atoms that make up amino acids called