Answer:
Aluminum had more value than gold in the 1820s, because it was harder to obtain. Hope this helped :)
The energy generated by the movement of electrons is used to pump electrons across the inner mitochondrial membrane to an area of higher concentration. 17. Where do these protons (H+) come from? The originally came from a glucose molecule and were carried to the electron transport chain by NADH and FADH2.
The answer would be glucose molecule.
Explanation:
IM PRETTY SURE IT IS D !! IF ITS WRONG IM SORRY THAT WHAT
I GOT
There's no reason, it's just because the sun has a gravitational pull
Answer:
option "B" is correct (substance 2)