How do informal and formal learning differ? one is more structured than the other. one requires less effort. one has less significance than the other. one is the best way to learn.

When a neutrally charged atom loses an electron to another atom, the result is the creation of a. two charged atoms. b. two negatively charged atoms. c. two positively charged atoms. d. two neutrally charged atoms.

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

The air that we breath is made mostly of which gaseous molecule