How does furring occur in kettles from hard water?

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

May someone me with these science questions

If two objects at different te,peraure are in contact with each other what happens to their temperature