A mixture contains salt, sand, pebbles, and grass. Which part of this mixture is soluble in water? Grass
Pebbles
Salt
Sand

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 are appropriate acceleration units?

Directions: count the number of atoms. ar co2 na3po4 so3 nac2h3o2