How fast can a turbidite bed form?
a. a matter of minutes
b. a matter of seconds
c. a matter of hours
d. a matter of years

The table below shows the elements that mainly comprise each of the four layers of earth: elements in layers layer main elements crust oxygen, silicon mantle iron, magnesium outer core iron, nickel inner core iron which of these elements make up the layer that is 0.2 to 1.1 percent of earth's total diameter?