Experts argue that a scientific water shortage by 2025 will be caused by

In what climate does shifting cultivation predominate? and, what are its two characteristics?

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

Compounds which are found naturally in the earth are called: a. ores b. composites c. rocks d.minerals