A) mountains B) deserts C) major rivers
A) Several countries have built dams along their portion of the river, cutting off water to those living downstream B) The rivers have nothing to do with the areas political conflicts C) Many rivers dry up during the hot summers D) Most countries do not allow water to be taken out of rivers for irrigation
A) rich farming areas B) Desert C) grasslands D) inland lakes
A) farmers have not been able to find ways to use the water for irrigation B) they can be used only for trade and travel but not for drinking water C) deserts prevent the rivers from being large enough to be useful D) everyone needs to be able to use the water and there is only a limited amount
A) Dams are expensive to build B) a river can only be dammed in one place along its path C) no fish can live in the rivers after they have been dammed D) less water comes down the river to those people once the dam is built
A) flood control B) swimming C) Shipping D) irrigation
A) Euphrates B) Afghanistan C) Tigris D) Jordan
A) full employment of farmers B) surplus food C) buildup of salt in the soil
A) letting livestock drink in rivers B) leaving fruit and vegetables to rot in the rivers C) runoff from chemical fertilizer
A) They reduce water flow downstream from the dam B) They can be used for flood control C) They are used to produce hydroelectricity
A) They start in the mountains B) They end at the Persian Gulf C) They flow through multiple countries |