How does acid rain MOST likely affect forests? A. Animals have more food sources.
B. Trees become less healthy over time.
C. Top soil loses all of its nutrients.
D. Plants begin to grow deeper roots.

The answer is a) carbon-12

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.