B. The boiling point would be lower; water boils at lower temperatures at high altitudes.
C) I and III only just got this question on usa test prep and therefore i'm right
The answer is a black mamba.
The black mamba is predator typically found in central Africa. Not only that its scales are black but also an interior of its mouth. It moves very quickly and at any sudden movement, it is ready to slay its opponents through a rapid application of venomous strikes. <span>Its venom is highly toxic and it could kill a man for 10-15 hours after the bite if antivenom is not applied.</span>
UV rays reacting with the O2 molecules
I might be wrong a little but
Hope the helps :)