1.the windmills bring fresh water up from underground and hold it in large plastic(). 2.because sunshine is a source of energy which is non-polluting and(),it is an excellent alternative fuel.

3.A mosquito net is one of the simplest and most cost-effective(---)to prevent disease from mosquito bites.

4.Scientists can easily(---)most diseases in water with a microscope.

5.Even though they were invented thousands of years ago, windmills continue to(---)the world in many ways.

6.Some of the best inventions have been(---)on things that have already been invented.

7.Some windmills can(---)energy when there is a lot of wind so it can be used whenever the electricity is needed.

8.One of the worlds largest solar-powered cooking(---)is in India and can feed up to 20,000 people per day.

9.the earths environment is its most(---)resource so it should be protected.

10.Some solar cookers include thermometers that(---)when the oven is hot enough to cook.

HELP ME PLEASE FIT THE CORRECT WORDS
containers - devices-indicate-valuable-innovatio ns-systems-store-benefit-renewable- detect