I believe it D because they have to have data , they also guess and really they also have opinions
The two types of waste in the cellular respiration are aerobic respiration and anaerobic respiration.
Seeing that our species is constantly evolving, maybe it is starting to get more uncomfortable to walk on all fours.
Sugar is sucrose and a carbohydrate. It's made up of 3 elements. 12 atoms of carbon, 22 atoms of hydrogen, and 11 atoms of oxygen. (C^12H^22O^11)
Organic is the answer,
As protein is totally something else.
Also lipids are liquid fats, so the answer is organic
