What does the theory of plate tectonics state about the earth?
a. the inner core is divided into plates that glide under the mantle.
b. the inner core is made up of a mantle that is covered by plates.
c. the outer shell is divided into plates that glide over the mantle.
d. the outer shell is made up of a mantle that sits on top of plates

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397