5
Select the correct answer.
Which claim made by the author lacks credible evidence and details?
OA
This means that irrigation for crops is not a problem.
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B. They also help the environment by refreshing the air and by reducing smog and effects to the ozone layer.
C. Urban gardeners use these roofs to construct large planters for vegetables, grass, trees, and shrubs.
OD With a little thought, any city dweller can think of an area of land on which to grow a garden.
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