B. Increased exposure to UV light increases the risk of mutation occurring.
The property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard is : Hardness and Brittleness
Those properties make chalk leaves residues on the board every time friction happen between the chalk and the board
hope this helps<span />
The answer is D unrestricted whaling could lead to their extinction.
Asexual means by self sexual means from opposite genders
Mylenation - an insulator along the axon
