I'm guessing it's C-Oxygen because in order to burn something, or create fire, oxygen HAS to be present.
Would it be lack of water and food?
Answer:
Explanation:
Calcium is all around us. The average human contains approximately 1kg of calcium, of which 99% is stored in our bones. It is the 5th most abundant element in the earth's crust, occurring widely as calcium carbonate which is more commonly known as limestone. It is also the fifth most abundant dissolved ion in seawater.
Answer:
C
Explanation:
Alleles being more minute than genes,can pass on trait similar or different
