Ablood vessel one cell thick for absorption of nutrients and removal of wastes is
a. a vein.
b. an artery.
c. a capillary.
d. the pulmonary artery.

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.