Alf lifts weights vigorously for 25 minutes. a few hours after exercise, he notices that his muscles are sore and slightly swollen.

his muscle cells have experienced that led to production of
a) fermentation; alcohol
b) nitrogen fixation; water
c) anaerobic respiration; lactate
d) aerobic respiration; carbon monoxide

Nucleic acid certain protein cell membranes certain carbohydrates

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .