That would be oxidative phosphorylation...this involves the electron transport chain; takes one NADH to make 2.5 ATP, one FADH2 to make 1.5 ATP...overall you make 34 ATP molecules.
Answer: Dip tube. This tube, located at the top of the tank, serves as the entry point for water as it flows into the tank. The water then travels to the bottom of the tank, to the area known as the combustion chamber, where the heating process begins.
Explanation: Thats what the internet says, and the internet is almost always right, hope you get it right.
All of the above i think.
