What is silicon, oxgyen, aluminum chemical composition. A. crust B. mantle C. cores

Rotenone is an insecticide that is toxic

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.

All organisms contribute some water to the water cycle by conducting