Give the correct form of the words given to complete sentences
. 21. I know it is also clean and safe to the environment. But does SUN it cost a lot of money to install the panels on the roofs?
22. Because our major sources of energy are running out while LIMIT the solar energy is abundant and__________________.
23. _________________ , fossil fuels are harmful to the environment. FORTUNATE
24. Energy is used to produce a lot of things. ELECTRICAL
25. The of wind turbines will be completed INSTALL by next Friday