Which of the following is the sun responsible for? A-Earth’s magnetic field
B-Earth’s temperature
C-Earth’s atmosphere
D-Earth’s rotation

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

All motion is caused by force? true or false