If burning oil can cause acid rain, then acid rain is caused by burning what? Answer choices: - lung - grass - oil - Cars - Coal - peat - nitrogen - food
oil

If being buried under soil and mud changes peat into coal through extreme heat and pressure in a wetland over a long period of time, then where does being buried under soil and mud change peat into coal through extreme heat and pressure over a long period of time? Answer choices: - watershed - alluvial - wetland - deltas - erosion - houses - earth - lakes
wetland

If lobsters do not have a backbone, then what do lobsters lack? Answer choices: - heat energy - Stomach - a cuticle - Claws - backbone - Eyes - the skin - Chlorophyll
backbone