During the formation of an ionic compound 1) One atom losses electrons and the second gains electrons
2) Two atoms lose electrons
3) Two atoms gain electrons

How is the composition of a meteorite relevant to finding out the composition of earth's core?

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland