Which of the following would be an important observation that could you identify a metamorphic rock? choose one: a. the presence of calcite b. sand grains that break along grain boundaries c. the arrangement of mineral grains into a foliation d. large crystal size

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.