Ex1: Complete the following passage using the words given in box. There is one word that you don’t need.
polluting because natural planet pollution although
Water is undoubtedly the most precious (1)______________ resource that exists on our planet. Without water, life on Earth would be non-existent. It is essential for everything on our planet to grow. (2)_____________ we as humans recognize this fact, we disregard it by (3) ________________our rivers, lakes, and oceans. Subsequently, we are slowly but surely harming our (4)_______________ at a very alarming rate. In order to combat water (5)______________, we must understand the problems and become part of the solution.