Question
What is meant by a solution? Give two examples of solutions.
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During class, the students resemble molecules in a solid (because they are very close to one another)

While going from one classroom to another the students resemble molecules in a liquid (because they are a little more father apart from one another)
Name the two acids that are present in acid rain.
Which cellular organelle uses, molecular oxygen like mitochondria bit protects the cell from toxic metabolic by products?
Describe the various methods of controlling pests attacking stored grains.