Which of the following energy sources is in no way derived from the Sun? A) nuclear energy B) tidal energy C) wind energy D) petroleum

Nutrients move into the bloodstream from the digestive system by a process called

What is magnetism caused by? A. the motion of protons B. the motion of electrons C. the attraction between protons and electrons D. the interaction between neutrons and protons

Explain why action-reaction forces do not cancel each out

If Earth orbited the Sun at the distance of Jupiter, the diameter of its orbit would be about five times greater than its actual value. Would this larger orbit affect the size of the parallactic angle measured for a given star

Which of the following are equal to 0°C?

A sheet of paper can be withdrawn from under a container of milk without toppling it if the paper is pulled A. gravity pulls very hard on the milk carton. B. the milk carton has very little weight. C. the milk carton has inertia. D.

What is concave mirror

Two boxes are suspended from a rope over a pulley. each box has weight 50 n. what is the tension in the rope

What happens when you put a galvanized zinc nail in copper solution for an hour? Does is rust or turn different color? What is the outcome? What happens after an hour in vinegar?

Psuedopod in a sentence