Near the beginning of earth’s history, it melted due to collision with extraterrestrial bodies, such as meteors. This caused all of the elements on the planet to arrange themselves according to density. Where would we expect to find the most dense of Earth’s elements? A) The core
B) The crust
C) The mantle
D) The atmosphere
And why

Iknow #2 is d. i just need to know why

Which statement best describes the flow of energy in this scenario

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