Which of these biomes receives the least amount of rainfall every year? options: a. desert b. tropical rainforest c. taiga d. deciduousforest

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

Which of the following harmful chemicals are found in tobacco smoke? a. carbon monoxide b. carbon dioxide c. nicotine b. carbon dioxide d. both a and c