Describe how rock that is exposed to the elements: air, water, changing temperatures, certain chemical compounds and biological processes is affected by these.
Answer in complete sentences, address all the concepts.

Look at the images of different rocks. which rocks have a fine-grained texture? check all that apply. 1 2 3 4 5

Plants that have reproductive structures called cones are?

Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide