Producing steel from recycled scrap iron uses _______________% less energy than producing steel from virgin iron ore

Fill in the blanks with correct word


75

Environmental & Atmospheric Sciences

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Which area(s) on this world map is (are) likely to have volcanoes above sea level?

A. A B. B C. C D. D

Environmental & Atmospheric Sciences

Poverty is usually defined as

A. not being able to live sustainably B. not being able to meet one's basic economic needs. C. earning less than $100 per year. D. meeting one's dietary needs on a day-to-day basis E. not owning one's own home.

Environmental & Atmospheric Sciences

Impact of urbanization on soil erosion is primarily a problem during the construction phase

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Prior to the Industrial Revolution, the concentration of carbon dioxide in the atmosphere oscillated between 180 and ____ ppm.

A. 200 B. 280 C. 350 D. 390 E. 420

Environmental & Atmospheric Sciences