Older oceanic crust, which is more dense than continental crust, has long since been recycled in the process of subduction. Credit: U.S. Geological Survey. Plate tectonics shapes the surface of our planet, but it also runs much deeper: Plate movement is the surface expression of convection in Earth's interior.
Umm...
biology is the study of life
is this the answer you're looking for?
I am taking this now It says in my course, A. Number of organisms.
Answer:
C. It ties the chunks of DNA together.
Explanation:
It seals repairs in the DNA, it seals recombination fragments, and it connects Okazaki fragments (small DNA fragments formed during the replication of double-stranded DNA).