Does the temperature change during of after the state of matter changes? explain your answer. ( for the answer in advance! ) < 3

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.

How are the terms group and period used on the periodic table

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h