Why do (or can) your muscles hurt after a good workout A. The ATP causes the cells to burn extra glucose causing cell deterioration
B. There has been a build up of alcohol
C. There is an accumulation of carbon dioxide
D. There is an accumulation of lactic acid

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering