instruction:
You are given a sentence and your task is to generate another sentence that supports the given input.
question:
Weather fronts mark the boundary or transition zone between two air masses and have an important impact upon the weather.
answer:
In weather terms, the boundary between two air masses is called front.


question:
Soil provides many of the basic nutrients most plants use in order to grow.
answer:
It is important to protect soil because it has nutrients used by plants to grow.


question:
In lakes and impoundments, and occasionally in streams, nitrogen may be the limiting nutrient and control the growth of algae and other aquatic plants, thus, using dissolved oxygen and blocking the penetration of sunlight which is needed for the growth of submerged aquatic vegetation (SAV);
answer:

Besides the concentration of dissolve oxygen and nutrients in the water, the availability of sunlight limits aquatic organisms.