NATURE AND THE ENVIRONMENT. QUIZZ

Exhaust fumes cause a lot of … , especially in big cities

Everyone should learn to … ( = save)  energy. Using lights / lamps only when  needed is a good way to do this.

Nancy is … about pollution. This  is why  she  walks to work  instead of driving.

… is much healthier than driving, and it doesn’t pollute the air.

David conserves water by not letting it … when  he’s not using it. 

I’d  like  to  conserve water.  But  I feel  dirty if I don’t … three times a day!

Many unethical companies … their waste into rivers. 

   … rain occurs when pollution in the air is absorbed by water droplets in clouds.

Oil … pollute sea water and kill marine life.