Answer:
B is oldest because it is at the bottom which entails that it is the oldest.
Explanation:
A catalyst works by providing an alternative reaction pathway to the reaction product. a catalyst speeds up a reaction.
Because everything scientists do or see is put out where the whole world can see. But if they don’t do it accurately then they get proved wrong or even lose their job. And the more accurate an answer is the more opportunity they have to venture and see more Han what they already know.
Photosynthesis is the process plantsuse to convert energy from the sun into usable energy for their cells. ...ATP and NADPH provide the energyneeded for the next energytransformation. The plant cells thenuse the ATP and NADPH to assemble molecules of carbon dioxide and other carbon
chains into glucose molecules.