All of the following are true about tornados a.) their movement is unpredictable b.) they occur most often in tropical regions c.) they can develop from thunderstorms d.) they can develop from hurricanes

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

Suggest two reasons why irrigation is important for human development of the desert