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
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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.
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
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
The boundary between adjacent drainage basins is called the _____
a. catchment b. drainage divide c. alluvial fan d. medial moraine e. interfluve