A naturally occurring concentration of metallic minerals that can be extracted economically is called ________ whereas any occurrence of useful minerals that are formed in such quantities that eventual extraction is reasonably certain, but not

necessarily profitable, are called ________ resources.


Fill in the blank(s) with correct word


ore; mineral

Environmental & Atmospheric Sciences

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What was the result of the 1967 Six Day War?

A) the cessation of hostilities between Iran and Iraq B) Israel gained the Gaza Strip, the Golan Heights and the West Bank C) the defeat of Israel at the hands of a multilateral Arab invasion force D) Israel and Egypt signed a peace treaty in which they agreed to joint ownership of the Sinai Peninsula E) Israel was forced to surrender its claim over Jerusalem

Environmental & Atmospheric Sciences

The steepest natural angle that loose material can stand at without pieces sliding or rolling downslope is called the _________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Which country holds most of the world's proven coal reserves?

A. The Middle East B. The United States C. Canada D. Mexico E. China

Environmental & Atmospheric Sciences

At what age are males more likely to die from AIDS than females?

What will be an ideal response

Environmental & Atmospheric Sciences