Answer:
The second option (i think)
Explanation:
Chromosomes are the things that make organisms what they are. They carry all of the information used to help a cell grow, thrive, and reproduce. Chromosomes are made up of DNA. Segments of DNA in specific patterns are called genes.
B
They change a substance’s identity.
use all practicable means to create and maintain conditions under which man and nature can exist in productive harmony
Single
Aromatic
Double
Triple
