Answer:
d
Explanation:
<em>The correct answer would be that the food could only be made of carbohydrates.</em>
<u>Proteins contain other elements such as nitrogen and sulfur in addition to carbon, hydrogen, and oxygen while nucleic acids and triglycerides contain phosphorus in addition to carbon, hydrogen, and oxygen.</u>
The only chemical substance that contains carbon, oxygen and hydrogen is carbohydrates.
Correct option: d
Answer:
the book stays on the shelf???
Explanation:
What kind of model there is many kinds
Sand , water , and minerals
Answer:cell is the basic unit of life.
A cell may be unicellular or multicellular
Explanation: