The answer is B. Frostnip
Frostnip caused by superficial cooling of tissues without cellular destruction. It caused skin appears red and sometimes swollen. Frostnip doesn't permanently damage the skin even though it is very common for the patient to feel numbness around the freezed area
The answer would most likely be joking
The outermost layer of bone is called connective tissue
Toxic chemicals are mostly found in waste sites where they dump old chemicals and with that, that could cause health problems because they could either dump it into the oceans where the life is or they will burn it causing pollution.
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