There are 50 states of the US
Poor air and water quality, insufficient water availability, waste-disposal problems, and high energy consumption are exacerbated by the increasing population density and demands of urban environments. Strong city planning will be essential in managing these and other difficulties as the world's urban areas swell.
Answer:
tree, fish, animals,plants
Explanation:
I think the correct answer from the choices listed above is option A. The evidence that Wegener make use of to develop the theory of continental drift would be that similar fossils were found on different continents. H<span>is hypothesis proposed that the continents had once been joined, and over time had drifted apart.</span>
