Sustainable development is a concept dealing with the use of resources to meet the needs of people now that does not jeopardize the needs of people in the future. Which of the following is one of the ways in which people can implement sustainable
development?
OA. building power plants using sources of renewable energy such as wind or solar power
OB. increasing the size of urban areas by expanding onto farmland
OC. expanding road systems in order to improve transportation
OD. using large amounts of water to grow crops to increase the food supply

The great scientist alfred wegener proposed that continents have moved, while other scientists such as t.c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite.b) wegener's ideas did a better job of predicting the results of new observations and experiments.c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't.d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era,dead white european males cannot get a fair shake.e) wegener won the nobel prize.