Answer:
you can miss all 20 if that is what you are asking
Explanation:
I believe the answer is vegetables
B. Old Stone Age.........................
Aerobic<span> means "with oxygen," and </span>anaerobic<span> means "without oxygen." </span>Anaerobic exercise<span> is the type where you get out of breath in just a few moments, like when you lift weights for improving strength, when you sprint, or when you climb a long flight of stairs.</span>