Which is correct about 3-R Principle or Three-R Principle?
Reduce, Reuse, Recycle
Reduce, Repair, Recover
Recover, Reuse, Repair
Reuse, Recover, Repair
Next Question
What are coarse particles (PM10) and how they are made ?A. Smoke, dirt and dust from factories, farming and roads are called coarse particles. They are made from crushing and grinding of rocks and soils.
B. Toxic organic compound and heavy metals are called coarse particles. They are made from driving automobiles, burning plants and smelting and processing metals.
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