The Three Gorges Dam on the Yangtze River in China is the world’s largest hydroelectric generating station. The dam is 2.3 km long and 101 m high, with a reservoir that floods 632 km2 of land. The dam provides electricity to nine provinces in China. Is the electricity the dam provides worth the problems it causes?

Aweather forecaster uses doppler radar to predict the track of a storm near the town of meadowlands. when the doppler signal is pointed at the storm from the town's center, the frequencies of the waves appear to be decreasing. what should the weather forecaster predict? a. that the storm will move around the edges of meadowlands without hitting the tosis center o b. that residents should be prepared, because it is impossible to know whether the storm will hit o c. that the storm is moving toward meadowlands and that residents should be prepared d. that the storm is moving away from meadowlands and is not likely to hit the town