What is the main purpose of wind turbines?

Which of the following is a challenge associated with wind energy?

What is the measure of the total energy a wind turbine can produce in a year?

Offshore wind farms are installed in __________.

What is the primary environmental concern associated with wind turbines

The largest capacity wind turbines are typically used in __________. 

What is the minimum wind speed required for most wind turbines

What is the approximate lifespan of a well-maintained wind turbine?

In which country did the modern wind energy industry originate?

Which of the following statements is true about wind energy?