Why is chemistry important for the study of living things

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

What is i fracture in the crust called when land move up, down or sideways

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.