<span>Carbon is the building blocks of all living molecules. With the ability to form carbon-carbon bonds, many different compounds formed into different structures can be used for different purposes such as macromolecules. </span>
Answer:
A
Explanation:
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A hypersensitive reaction to a specific antigen in the environment is a(n) _ALLERGY_.
It was A. I also do pacyber!
Yes, Dogs can go out side an dogs don't smell half the time