Burning ethanol derived from sugarcane produces at least ________ less greenhouse gases than burning an equivalent amount of gasoline

A) 33-66% B) 5-15% C) 16-32% D) 97-99% E) 87-96%


Answer: E

Environmental & Atmospheric Sciences

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During Spanish colonial times in Latin America, the social rankings from highest to lowest were

A. Peninsulares--Criollos--Mestizos B. Mestizos--Peninsulares--Criollos C. Criollos--Mestizos--Peninsulares D. Criollos--Peninsulares--Mestizos

Environmental & Atmospheric Sciences

Which region currently presents the most mysteries to scientists?

A) the low velocity zone in the upper mantle B) the transition zone C) the lowermost mantle D) discontinuities at 410 and 660 km

Environmental & Atmospheric Sciences

A comparatively low levels of precipitation on the downwind side of the Coast Range in the Pacific Northwest is termed a(n) ____________________ ____________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

A cluster of wind turbines is called a wind ____________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences