A piece of dried ice is added to 1000cm3 of water at 50oC. If the lowest temperature

obtained is 25oC. Find the mass of the melted ice​

Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this

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

Why is the basic problem of economic,scarcity, a universal problem?