Assertion: Exothermic processes are always spontaneous. Reason: Exothermic processes increase the entropy of the surroundings, at constant T and P.

a. Both A and Rare true, but is not the correct explanation of A.
b. A is false, but Ris true.
c. Both A and R are true and R is the correct explanation of A.
d. A is true, but Ris false.

radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?