Radioactivity is the emission of a particle from am atom. Fission is splitting an atomic fusion is combining two nuclei into a new atom and a meltdown refers to a disaster at a unclear power plant. Your answer is D.
Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.