Proteins.
These four carbon-based molecules are necessary for building an organism.
Relationship:
Carbohydrates and Lipids-Energy storage
Nucleic Acids - Proteins -- Blueprint - Building blocks
Answer:
1 - R
2 - r
3 - R
4 - RR
5 - Rr
6 - r
7 - Rr
8 - rr
Explanation: hope this helps
1 reason is to kill disease in water