Which continent has the greatest number of least-developed countries? A. Asia
B. Africa
C. Europe
D. South America

How can minerals crystallize from materials dissolved in water? check all that apply.

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?

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.