When 92.6 g K2CO3 is dissolved in 429 mL of solution, the molarity of the solution is:
0.287 M
1.56 M
1.38 M
0.670 M
6.40 M

Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems

What forms when chemical reactions combine pollution with sunlight?

Enzymes affect the reactions in living cells by changing the