Which type of energy is thermal energy a form of?
a- chemical energy
b- kinetic energy
c- magnetic energy
d- potential energy

Are hallucinogen a clinically useful drugs?

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand