Answer:
Megan should add Maple, 39%
OAmalOHopeO:
Answer:
Eruption of lava, gases, and ash from a volcano
Explanation:
Most likely it's A because you could change the height of the plant and that's what a independent variable is, a factor you can change in order to find out will happen, Hope this helps
That will be rain, soil , and sunlight i think.