Nucleic acids play a crucial role in conveying genetic information from one generation to another. The main types of nucleic acids are DNA and RNA. During cell division, DNA is replicated and transmitted to subsequent generations of cells. RNA is critical for the process of protein synthesis.
The response is the digestive system!
The urchin's body cavity is predominantly occupied by the digestive system.
Answer:
A) programs for water purification
If the water that is available to people is cleaner, they are more likely to use it frequently for hygiene purposes.
