The answer is number 3 I'm sure
Change in velocity, direction, or both
I think that’s what you’re asking
Diagram<span> of </span>lactic acid fermentation<span>. </span>Lactic acid fermentation<span> has two steps:</span>glycolysis<span> and NADH regeneration. During </span>glycolysis<span>, one glucose molecule is converted to two pyruvate molecules, producing two net ATP and two NADH</span>
