Please help, this is a test.

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.

After a signal is transmitted from the eyes through the optic nerve, which part of the brain processes the visual information? a. the limbic lobe b. the occipital lobe c. the frontal lobe d. the temporal lobe

Where would an earthquakes epicenter be in this diagram