The correct response is:
They are made of carbon, oxygen, and hydrogen.
Responses
They are made of carbon, oxygen, and hydrogen.
They are made of carbon, oxygen, and hydrogen.
They are made of carbon, oxygen, and nitrogen.
They are made of carbon, oxygen, and nitrogen.
They are made up of phosphate, nitrogen, and hydrogen
They are made up of phosphate, nitrogen, and hydrogen
They are made up of carbon, phosphate, and hydrogen
1 answer
The correct response is:
They are made of carbon, oxygen, and hydrogen.