Answer: D I’m pretty sure
Explanation:
C. A vertebrate because a vertebrate animal has a backbone. :)
Hope this helps! ;)
Nicotinamide adenine dinucleotide (NAD+) and flavin adenine dinucleotide (FAD+) are two cofactors that are involved in cellular respiration. They are responsible for accepting "high energy" electrons and carrying them ultimately to the electron transport chain where they are used to synthesize ATP molecules.
More stirring might also increase the amount of sugar that dissolves, and different sugars might dissolve in different amounts, so to ensure a fair test you want to keep these variables the same for each cup of water.
