During intense exercise, there may not be enough oxygen available to complete the process, so a substance called lactate is made. Your body can convert this lactate to energy without using oxygen. But this lactate or lactic acid can build up in your bloodstream faster than you can burn it.
hope this helps :)
(if you wouldn’t mind can you mark me brainliest?)
Electric motors transform electrical energy into mechanical energy so the answer would be B.
Explanation:
The food web shows who eats who or what and the pyramid ranks them