instruction:
Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
question:
Question: At what point is water on the ph scale? Answer: neutrality, 7
answer:
The light from a laser is monochromatic, coherent, and very intense.

question:
Question: Plant cells have structures that animal cells? Answer: lack
answer:
Plant cells have structures that animal cells lack. What important process takes place in plant cells but not in animal cells that might explain their differences?.

question:
Question: What makes breathing difficult due to respiratory system disease? Answer: narrow air passages
answer:
respiratory system disease in which air passages of the lungs periodically become too narrow, making breathing difficult.