What were the three gases that made up Earth's original atmosphere?

What will be an ideal response?


water vapor, carbon dioxide, nitrogen

Environmental & Atmospheric Sciences

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The world soil map has strong resemblance to the world climate map. Discuss the reasons for the similarities and differences between the two maps

What will be an ideal response?

Environmental & Atmospheric Sciences

In general, the longitudinal profile of a stream (i.e., elevation change along its length) is concave up.

a. true b. false

Environmental & Atmospheric Sciences

This mapping process has led to concerns about privacy

A) participatory GIS B) citizen science C) mashup production D) geotagging E) remote sensing

Environmental & Atmospheric Sciences

Which of the following 18 carbon fatty acids will have the highest melting point?

A) oleic acid B) linoleic acid C) linolenic acid D) stearic acid

Environmental & Atmospheric Sciences