Which change in the Hion concentration of an aqueous solution represents a decrease of one unit on the pH scale? А
a tenfold increase
В.
a tenfold decrease
С
a hundredfold increase
D
a hundredfold decrease

Butterfly wingspan is 7.7

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.

Answer: temperature? i hope this and have a wonderful