Amateur astronomers around the world locate and track satellites-both commercial and spy satellites-and post their orbits on the Web. Some intelligence officials argue that if enemies and terrorists know when U. S. spy satellites are overhead, they can hide their activities. What issues does this problem raise? Should astronomers refrain from posting satellite orbits? Why or why not?

Which of the following best summarizes the point of agreement?

¿qué parte de la patagonia está en peligro de exinción por su sobrepesca?

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.