When a dense oceanic plate goes underneath a less dense continental plate, the rock will begin to get hot and melt. This molten rock is what gives rise to. A. mountains
B. volcanoes
C. sea floor spreading
D. rift valleys

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

What is the importance of dna replication to all living organisms?