Anail rusts when the iron in the nail reacts very slowly with oxygen to form a new substance and heat. this is an example of a(n) reaction.
a. fusion
b. fission
c. exothermic
d. endothermic

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

Explain that newton first law,second law and third law of motion?