Answer:
It's b,
Explanation:
The process of plate tectonics may be driven by convection in Earth's mantle, the pull of heavy old pieces of crust into the mantle, or some combination of both. For a deeper discussion of plate-driving mechanisms, see Plate-driving mechanisms and the role of the mantle.
Answer:
<em>nondisjunction can lead to aneulodies by results in daughter cells with abnormal chromosome numbers (aneuploidy). (if u want a more in depth answer just look it up and you'll find one, but i hope this was somewhat helpful lol)</em>
Answer:
Located in the endodermis roots and runs through the cell wall.