Answer:
A.Testable hypotheses
it makes the most sense out of the rest
Well the more that get cut down, the less oxygen we get, aswell as more carbon in the atmosphere because there is less trees to absorb it.
More growth of flowers and or more plant food/water supply for it
Electric field , and if that’s wrong it should be electric force . Those are the only two that make sense
The answer is A. macromolecules
There are 4 types of macromolecules; lipids, proteins, carbs and nucleic acids