Personally I would say it's A (apart from the installation costs which may make it a little expensive) but it does involve certain aspects of D also as wind energy doesn't cause pollution. So either A or D!
Hope I was of help! :)
Answer:
by studying how to meet the needs of most community members
Explanation:
Answer:
Wetlands.
Explanation:
An area of land that is covered with a shallow layer of water during some or all of the year.
