Are the preserved or mineralized remains or imprints of that lived long ago a. fossils b. archaeologists c. footprints d. none of the above

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do

Based on their relative positions in the periodic table, which two elements would have the same number of valence electrons?