(Q).
Q: What is the color of mercury oxide? Choices: - yellow - orange - green - red A:
(A).
red

(Q).
Q: What are known as the building blocks of proteins? Choices: - organism acids - protein acids - bases - amino acids A:
(A).
amino acids

(Q).
Q: John dalton thought that what unit, which means "indivisible", could not be divided into smaller, simpler particles? Choices: - electron - nucleus - neutron - atom A:
(A).
atom