Which phrase describes a feature of igneous rocks that cool quickly during formation? small crystals
coarse surfaces
found beneath Earth’s surface
exposed after erosion occurs An igneous rock has small, dark crystals. Which statement also accurately describes this rock?

It is an intrusive rock.
It has a coarse texture.
It was found on Earth’s surface.
It was formed from slow cooling.

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper