Which two gases make up a combined total of 99% of clean, dry air in the homosphere?

A) carbon dioxide and water vapor B) nitrogen and oxygen
C) oxygen and carbon dioxide D) nitrogen and argon


B

Environmental & Atmospheric Sciences

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In recognition of the inadequacy of the simple male/female gender dichotomy, Facebook

A) now has over 50 categories for gender. B) removed gender as a feature of person's identity. C) has adopted the United Nations definitions of gender. D) randomly assigns gender to each user. E) lets users choose between masculine and feminine.

Environmental & Atmospheric Sciences

The boundary between adjacent drainage basins is called the _____

a. catchment b. drainage divide c. alluvial fan d. medial moraine e. interfluve

Environmental & Atmospheric Sciences

The solar wind is not responsible for solar storms. Solar wind and solar storm are simply different names for the same phenomena

a. True b. False

Environmental & Atmospheric Sciences

List the following compounds in order of least oxidized to most oxidized

A. c < d < a < b B. a < b < c < d C. b < a < d < c D. b < a < c < d

Environmental & Atmospheric Sciences