3. Which changes can reach dynamic equilibrium?
1. nuclear changes, only
2. chemical changes, only
3. nuclear and physical changes
4. chemical and physical changes

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Nonpoint source pollution is difficult to control because it