The power of wind has been harnessed around the world for centuries. Trace the history of wind technologies from sailboats to wind turbines in the Wind Energy section.
Students will identify and compare
different qualities of hybrid vehicles in
order to determine which one is the
best value in terms of cost, fuel use and
impact on the environment.
All of the people who live in a place and the total number of these people.
The square-timber industry peaked in the 1860s.