<span>A peptide bond is a "Covalent Bond" between two "Amino acids"
Hope this helps!</span>
H2O is a substance that that is classified as a compound. It is the chemical formula of water. A compound is two or more elements that have been chemically combined. In this question, water has two elements which are hydrogen (H) and oxygen (O). Two hydrogen atoms combine with one oxygen atom to form a compound. The answer will thus be B.
Answer:
C
Explanation:
C, your body needs more boold when you are running!
Number 4. The answer should be "C"
Number 5. The answer should be "D"
PLEASE VOTE BRAINLIEST!!!