When too much gas gets trapped in the atmosphere it causes a "greenhouse effect". What is the best description of why the "greenhouse effect" is bad for Earth?
g
When gases are trapped in the atmosphere, it can make holes in the ozone layer. This lets
d
There's a park near your house that has lots of trash on the playground.
b
h
Which word or statement does NOT describe a healthy environment?
fresh and clean air
clean
Lots of smog
Good for people, animals and plants to live in
