The number of H+ ions moving down the channel.
So id say the answer is C.
I believe you could say glucose (or starches) or fats! Maybe even ATP (adenosine triphosphate)
Look up photo of heart labeled, I would do it for you but I’m taking a test of my own right now
The correct answer for this question would be the WHITE RHINOCEROS. The white rhinoceros weighs 5, 100 pounds or 2, 300 kilograms. In the list, the first mammal that is considered as the heaviest is the African elephant which weighs 24, 000 pounds or 11, 000 kilograms and followed by Asian elephant weighing 12, 100 pounds or 5, 500 kilograms. Hope this answer helps.
Answer: A
Evolution is the idea that species change over time, and natural selection is a mechanism by which evolution takes place.
