Calculate the density of a rectangular solid, which has a mass of 25.71g. it is 2.30cm long, 4.01cm wide, and 1.82cm high

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains