Which elements do hydrogen fuel cells combine to produce electricity?
hydrogen and oxygen
hydrogen and carbon
hydrogen, oxygen, and nitrogen
hydrogen, carbon, and nitrogen
what’s the awnser

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

You will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. (refer to the walk-through video to locate the online lab within the online textbook).

Energy flows from the producer level to the level. is called