What characteristic do photosynthesis and combustion share? a. they both start with chemical energy. b. they both are endothermic. c. they both occur in living organisms. d. they both involve chemical change.

b) nuclear ive learned that in a pedtrodic table

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.