Making a new soda (pop) can out of recycled aluminum requires ________% less energy than making it out of bauxite (raw aluminum ore)

A) 95 B) 80 C) 70 D) 50 E) 25


A

Environmental & Atmospheric Sciences

You might also like to view...

The great scramble for African colonies occurred

A) just after the Napoleonic wars. B) during Portugal's domination of the world-system. C) as Spain was colonizing the America's. D) in the three decades preceding World War I. E) in the two decades after World War II.

Environmental & Atmospheric Sciences

About ________ percent of the total insolation is directly absorbed by the air

A) 92 B) 62 C) 22 D) 12 E) 0.2

Environmental & Atmospheric Sciences

Biomes are defined by

A) latitude. B) amount of precipitation received. C) a collection of flora and fauna. D) Altitude. E) average high and low temperatures.

Environmental & Atmospheric Sciences

Which isotope ratio is especially important in studying Earth's climate over the past 500,000 years?

a. oxygen-18 to oxygen-16 b. carbon-14 to carbon-12 c. sulfur-34 to sulfur-32 d. nitrogen-15 to nitrogen-14 e. argon-40 to argon-39

Environmental & Atmospheric Sciences