Our local group is composed of how many galaxies?
A) less than 100
B) less than 400
C) less than 1,000
D) 1,526
A
Environmental & Atmospheric Sciences
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All of the following are compounds EXCEPT ________
A) oxygen gas B) table salt C) methane D) glucose E) water
Environmental & Atmospheric Sciences
In ________ topography, natural bridges are associated with entrenched river meanders
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
The NAD+/NAD and FAD/FADH2 systems transport which of the following?
A) electrons B) hydrogen ions C) both a and b D) neither a nor b
Environmental & Atmospheric Sciences
What is the source of much of water in geothermal features such as geysers and hot springs?
A) Precipitation B) Water vapor from magma C) Melting glaciers D) Subterranean lakes
Environmental & Atmospheric Sciences