Fill in the blanks with the words from the box. You may need to change the forms of some words. $\begin{array}{|l|l|l|l|l|l|l|l|l|l|} \hline \textbf{on} & \textbf{need} & \textbf{reduce} & \textbf{clean} & \textbf{properly} & \textbf{save} & \textbf{by} & \textbf{plastic} & \textbf{throw} & \textbf{pollution} \\ \hline \end{array}$ We must act now to stop environmental (a) —. Many people (b) — garbage here and there. Waste should be managed (c) —. We (d) — to stop using too much (e) —. Rivers and soil are polluted (f) — these wastes. We should reuse things and (g) — what we use. Everyone must raise awareness (h) — environmental safety. Let us all work together to (i) — our planet.