Answer:
D competition for resources
Explanation:
Isotopes have a different amount of neutrons living inside of the Nucleus.
d is correct answer of a question
Answer:
lipids
Explanation:
-Lipids are among the four biomolecules the others being proteins, carbohydrates and nucleic acids. Lipids are made of fatty acids and glycerol. --Fats (solid) and oils (liquid) are the major types of lipids.
-Butter is an example of saturated fats while oils are the lipids in liquid form.