Complete the sentence
If we hunt animals too much, they will become ______.
extinct
e s a w t
waste
Trash in the street
litter
If global warming continues, many glaciers will _____.
melt
e c c r y l e
recycle
Not existing anymore
extinct
Some places don't have enough rain, but others get _______ frequently.
flooded
t i e t l r
litter
Material that people throw away
waste
We need stricter _____ to protect the environment.
laws
b g a e g r a
garbage
Things that make the water, air, and land unclean
pollution
This river's water is very clean. It is not ______.
polluted
g m s o
smog
Material that is used again to make something new
Recycling