Ascientist in northern california is studying the tree rings of a very old redwood tree. he notices that the oldest tree rings are very narrow. as the rings move away from the center, he observes 15 rings that get wider and wider. what can you determine about the climate during the 15-year period during which the tree rings grew wider? the climate was warmer and wetter. the climate was warmer and drier. the climate was colder and drier. the climate was colder and wetter.

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.