Answer:
C. oxygen
Explanation:
Oxygen is needed to help the process of turning glucose into ATP. The initial step releases just two molecules of ATP for each glucose.
The sentence <em>Dogs and cats sometimes fight in a veterinarian's waiting room </em>is A) a simple sentence.
A simple sentence has only one independent clause, and this sentence has only one independent clause (only one verb) so it has to be simple.
This contributes because their lifestyle revolves around food, and if they live near different areas, they will have to search for different types of food.
Also viruses have nucleic acid whether DNA or RNA nucleic acid, they are so minute that you can't observed them,
it's letter C, they are also responsible for proteins. their cell wall is made up of capsid.