I would have to go with Sewage mostly because it smells and because it can really hurt the environment. Plants can die and it just is gross to smell. So this would definitely pollute the earth. I hope this helped! :D
Answer:
sedimentary (ex: limestone), metamorphic (ex: marble), igneous (ex: granite)
Explanation:
sedimentary, metamorphic, and igneous are the 3 types of rocks formed by the rock cycle. didnt know if you only needed that or examples of each kind so I gave both. also not important but a fun fact igneous means made by fire, metamorphic (think of a butterfly, they go through metamorphosis) this means they change, and sedimentary (rocks pressed together to form a new one often found after events such as erosion, etc). hope this helps :)
Here is yyyyyoooouuuurrrrrrrr ANSWERRRRR!!!!
It traps the heat in instead of letting it out into space. For this reason CO2 is a greenhouse gas.
