Need help with these (This is how i got the DOC)

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

Stoichiometry- i need with 14 and 15! an explanation would be appreciated!

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes