Wind energy is one of the most - eyed source of renewable energy to decrease the use of the fossil fuels. However, one of the problems that harnessing wind for energy is the expense of large tracts of land in populated areas. Thus, the answer is letter D.
Wind has some advantages which makes it suitable as a source of energy but it also possesses some disadvantages which reduces its potentials as a viable source of energy. For instance, large expanse of land will be needed to construct wind farms and this may not be feasible especially in populated areas. Another disadvantage is that electricity production will be depended on the availability of wind, when there is no wind, there will be no electricity.
A mood is a feeling or emotion that<em> prevails in a person at any particular time, they are general </em>and they can't be distracted by facial expressions.
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