Direction: The question below consists of a sentence, the parts of which have been jumbled. These parts have labelled P, Q, R, and S. You are required to re-arrange the jumbled parts of the sentence and mark your response accordingly.

substances that may cause damage to humans, plants, and animals (P) harms the quality of water and soil, and causes the emission of (Q) which makes the air unsuitable for breathing (R) pollution induces the release of toxicants into the biosphere (S)