As a cell's size increases its ratio of surface area to volume increases. a. true b. false

well, you see. the answer to your question is quite simple. the thing that is big, powerful, and over 9,000 is your mom.

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