Which of the following processes is primarily responsible for the sky's blue color?

A) Absorption
B) Scattering
C) Reflection
D) Filtering


B) Scattering

Environmental & Atmospheric Sciences

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In the mid 20th century, the ________ was Canada's largest secondary sector industry

A) Oil refining industry B) Pulp and paper industry C) Textiles manufacturing industry D) Hydroelectric power industry

Environmental & Atmospheric Sciences

In 1402, a world map was produced which was by far the most accurate representation for the times. This map was produced in which country?

A) England B) Spain C) Korea D) China E) the United States

Environmental & Atmospheric Sciences

Which of the following would best describe a worm that lives within human hosts and causes disease?

a. A bacterium b. A virus c. A parasite d. An epidemic

Environmental & Atmospheric Sciences

The most promising immediate alternative to gasoline fueled vehicles in a time of global climate change and the inevitable scarcity of oil is powering vehicles using

A) solar power. B) hydrogen as a fuel source. C) fuel cells using hydrogen. D) plug-in hybrid electric vehicles.

Environmental & Atmospheric Sciences