Geological evidence shows that the great barrier reef began growing over 25 years ago.
a. hundred
b. thousand
c. million
d. dozen

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Describe the interaction that occurs between two objects with the same electrical charge.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these