What is the volume of a sphere with radius 4 cm?(Round to nearest cubic centimeter) Use pi = 3.14 and V = 4/3 pi r^3

What is the leading cause if water scarcity throughout much of the world

How are students who take the writing portion of accuplacer graded?

Earth takes in thermal energy from the sun in a process called . sunlight strikes earth’s surface at different angles. this angle is called the angle of . btw its