A hypersensitive reaction to a specific antigen in the environment is a(n) _ALLERGY_.
Earth’s thin, rocky outer layer is its crust. A small example is like a crust on a piece of bread. :)
C is your answer
Answer:
Explanation:
Mdmdjdjdjdjjdjjdjdjdjmdmudmdmdid
The answer is
If it is a leap year, then February has 29 days.
<span>A conditional statement uses a pattern of ‘if’ followed
by ‘then’. The obvious cause must be stated first followed by the outcome. ‘If
and only if’ is an example of a biconditional statement. </span>
