Which is of the following statements about carbon dioxide is TRUE?
A. It is the most potent greenhouse gas.
B. It has not been above 300 ppm in the past 800,000 years.
C. It has recently increased at a rate similar to other periods in history.
D. It is the most abundant greenhouse gas.

answer; both surfaces of the membrane are nonpermeable

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.

your answer is going to be physical weathering