To see details of a dust mites skin ,which microscope would you use?
a. dissecting
b. compound
c. transmission electron
d. scanning electron

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area