Which of the following gases accounts for about 78 percent of the atmosphere's mass?
a. water vapor
b. nitrogen
c. ozone
d. carbon dioxide
B
Environmental & Atmospheric Sciences
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Physical boundaries are better than cultural boundaries at peacefully separating nationalities
Indicate whether the statement is true or false.
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What is the cause of rising sea level? What will be an ideal response?
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________ are the primary water?insoluble components of cell membranes
A) Carbohydrates B) Acids C) Nucleic acids D) Lipids E) Proteins
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Which of the following primary pressure areas are produced by dynamic factors, rather than thermal factors?
A) subtropical high and subpolar low B) equatorial low and polar high C) equatorial low and Bermuda high D) Aleutian low and Icelandic low
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