A. umbilical cord is the answer
Answer:
The Rats.
Explanation:
I think it would be the rats because its a common pest and who has chickens around their house?
Explanation:
An amino acid is an organic molecule that is made up of a basic amino group (−NH2), an acidic carboxyl group (−COOH), and an organic R group (or side chain) that is unique to each amino acid.
Answer:
1. the study of human behaviour.
2. using a secret or exclusive language in certain circumstances
3. Multilingual