9) What is the percent composition by mass of 64g oxygen in the compound MgSO4 (gram-
formula mass = 120. grams per mole)?
A)
20%
B)
27%
C)
46%
D)
53%

Why are pipes bursting in the in extremely cold weather?

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

At the current rate, a graph of carbon dioxide produced by fossil fuels over time would slope upward slope downward be horizontal be vertical