Help plz! What has to happen to sediment in order for it to become sedimentary rock?
A It has to be around a volcanic eruption.
B It has to bond and harden.
C They have changed in some way.
D It has to be washed away by wind and rain.

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.