Answer:
bc oxygen contributes to muscle performance on and off the field.
C. It’s the most intelligent answer I’m stuck between that or B but I’m almost positive it’s c
8. Arteries carry oxygenated blood from the heart to the rest of the body, while veins carry deoxygenated blood from the body, back to the heart. Arteries are thick and muscular, while veins aren't as thick, and they have valves.
Answer: Exponential growth occurs when resources in the environment are abundantly available to a species.
Explanation: When a food source amount drops, so does the survival rate of the predator that eats that specific food source. When a food source grows too abundantly at too fast a rate, predators increase in numbers.
All microscopes have lenses. Some types of lenses are eyepiece lenses, objective lenses, and condenser lenses.