Which two classes of rock will form near or at Earth's surface?

a. Extrusive igneous and sedimentary

b. Sedimentary and intrusive igneous

c. Metamorphic and igneous

d. Metamorphic and sedimentary

What is amniotic fluid?

5. Which factor within a population could be studied to determine whether the population is evolving?

Was the first person to propose the idea of moving mountains continents as a scientific hyphothesis

Of all the debris that washes into the ocean, plastic remains the longest because it does not: A. float in currents B. biodegrade C. get ingested by fish D. get ingested by birds

Human immune cells, called macrophages, engulf bacteria and other foreign material. Is the action of a macrophages an example of endocytosis?

What one element makes up the "base" of all four of these macromolecules?

Osmosis is the diffusion of water across a selectively permeable membrane in which water moves from a solution containing a low concentration of solute to what kind of solution? A. a solution containing the same amount of solute B.

When mixed, which states of matter form only a homogeneous mixture?

Do bats communicate with infrasound

The primary source of energy for most cells is