You used a variety of media with a NaCl concentration ranging from 0.5% to 15%. Which of these media would have the lowest water activity? a. 0.5% NaCl
b. 15% NaCl
c. 10% NaCl
d. 5% NaCl

Asa choose the correct set of reaction coefficients to properly balance the following chemical equation according to the law of conservation of mass: __s8 + __o2 ==> __so2 1, 1, 8 1, 8, 1 1, 8, 8 8, 1, 1

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action