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
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Answer:
B. An increase in gene flow between the bird populations.
Explanation:
8-10 years but one has lived to 20 years.
False, It will basically be a carbon sink. Taking in more than it produces.
