From sea level, the biosphere goes up about 9km and down about 19 km. what is the thickness of the biosphere in meters?

The shift of a vehicle's weight around its center of gravity is known as

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex