How much of the biomass supply in the United States is used by the transportation industry to create ethanol and biodiesel A. one-fourth
B. three-fifths
C. six-eights
D. five-ninths

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

In what for do plants utilize nitrogen? why do they need nitrogen?