Which of the following changes igneous or sedimentary rock into metamorphic rock?

a.) heat and pressure
b.) heat and weathering
c.) water and weathering
d.) water and pressure

Why is a dominant allele called dominant

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.

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it