What happens to the older crust during seafloor spreading?

Which of the following areas have the highest population density? a) quebecb) united statesc) californiad) new york city

Which property of soil depends on the size of particles? color odor temperature texture

Which summarizes the relationship between density of an element and its distribution in earth? a. the greater an element’s density, the greater the amount of it found in the crust. b. the denser an elements is, the smaller the amount of it earth core. c. the greater an elements density, the smaller the amount of it’s found in the crust