Check all answers that apply. copper oxide is a(n): atom. molecule. subatomic particle. element. compound.

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.

Show how to convert the temperature 84.7° c to kelvin. include all steps and label the final answer.