Wind moving in two directions over a prairie makes air in the middle spin. this is the beginning of a a. hurricane. c. hailstorm. b. thunderstorm. d. tornado.

Which statements describe sustainable development? multiple answer choice -fishing does not remove more fish from water systems than can be replaced by the number of fish that will be born to replace them. -sustainable development is development that is designed to improve the economic conditions in less-developed countries. -sustainable development is mainly a regional issue. -sustainable development means water is used at a rate that won't reduce the amount available for future use. - sustainable development policies only need to be concerned with environmental protection. - trees cannot be cut down faster than the number that will be replaced by new growth.

What has been a consequence of human economic development in advancing nations? a) subsistenceb) conservationc) photosynthesisd) pollution

30% of the earths surface is made up of? a. water b. desert c. land d. cities