Which of these is not a reasonable fitness goal?
a. i want to exercise for 3 hours every day.
b. i want to exercise for 30 minutes, five days a week.
c. i want to be able to do 50 sit-ups in a row by next month.
d. i want to be able to run 1 mile in 12 minutes.

I think A

Explanation:

I'm not sure but all the other ones seem reasonable and exercising 3 hours a day is a bit much I'm not sure it might be D but I cant really say that because I'm a cross country runner and 12 minutes a mile isn't bad

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by