When a person jumps horizontally off of the end of an unanchored boat in a lake, the person goes forward and the boat goes backward. this is an example of a) inertia b) action and reaction c) newtons first law d) newtons second law

and after water is usually warmed by the sun the water temperature raises and then evaporates .

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds