memory game

HEAVY

REVERSIBLE

SPEW

HARMFUL

REDUCE

TRIGGER

LIQUID

GREENHOUSE GAS

ISA ES UN

are gases in the earth's atmosphere that trap heat.

make smaller or less in amount, degree, or size.

That you can return to a previous state or situation.

expel large quantities of something rapidly and forcibly.

That it weighs a lot or that it has more weight than is normal.

causing or likely to cause harm.