pollute
become extinct
recycle
melt
litter
use up
adapt
evaporate
To use objects and materials again.
When the last of a kind of animal or plant dies.
to change your behavior to work in a new environment.
To change into steam or gas, and disappear.
To use all of something until no more is left.
To make water and air dirty and dangerous.
To drop garbage on the ground instead of putting it in a garbage can.
To change from solid to liquid.