He paid 2 dollars for each bag. Then add 15 cents for that and he would charge $2.15 for each bag.
The amount of carbon in fossils and artifacts decreases when the get older, so you can find out how old an object or fossil is by finding out how much carbon is in it.
I got B. Because the answer is K2SO4, I got it right on my test so I know its right
should be ocean ridges im not sure hope this helps tho
