Fill in the blanks with the words from the box. You may need to change the forms of some words. $\begin{array}{|l|l|l|l|l|l|l|l|l|l|} \hline \textbf{depend} & \textbf{by} & \textbf{harmful} & \textbf{pollute} & \textbf{in} & \textbf{air} & \textbf{on} & \textbf{fresh} & \textbf{breath} & \textbf{industry} \\ \hline \end{array}$ People (a) — mainly (b) — air to (c) —. But the (d) — around us is getting polluted. This happens due to smoke emitted (e) — vehicles and (f) —. Polluted air is (g) — for health. Children and old people suffer most (h) — this problem. Breathing (i) — air helps people stay healthy. We must stop activities that (j) — the environment.