Which are examples of convection currents? check all that apply. marshmallows toasting over a campfire a pot being heated by an electric burner rice moving in a pot of water that is being heated a radiator that emits warm air and draws in cool air a hot air balloon rising and falling in the atmosphere

Which is a possible result of higher air temperatures caused by global warming? a. increase in sea level b. freezing of polar ice caps c. rapid evaporation of water in the soil d. flooding of low-lying coastal areas

Select the natural regions. delta denver forest georgia north america plateau stream

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.