1.
Damaging our earth is doing this
2.
Your parents will say not to do this with your food
3.
The mechanical element of atomic number 6
4.
Pollutants emitted by cars is called this
5.
Some people would say our world is being destroyed by this
6.
The space you live in is called what?
7.
You should check gold for any...
8.
Smoke is a very dangerous...
9.
what are the gases in the atmosphere that trap gas
10.
This is what happens when things are worn
12.
Being poor, underprivileged
14.
something made up of chemicals
15.
This is the fuel that coal emits
17.
All living things live in this kind of system
18.
you should try to live like this
