I am not sure, but to me it sounds that this is important because human populations are sometimes concentrated in areas that are lacking resources. Although, all of the given options may be correct.
atom-> compound
carbohydrates--> lipids
nucleic acid--> protein
prokaryotic cell --> nucleic acid
eukaryotic cell-->nucleus, mitochondria,golgi apparatus,cell membrane
Answer:
What are the three main functions of your digestive system?
Digestion performs the below listed functions
digestion of food particles
absorption of food particles
production of fluid to enhance digestion and enzyme production to aid digestion
Explanation:
4. (Tortoises swam...) 5. 1. 3. 2. 4 (Over time...) would be the best sequence I guess.
The parenthesis behind the fours is just for you to know which four I'm talking about (you have 2 fours).
Hope it helped,
Happy homework/ study/ exam!