Progesterone, which is present in humans as a single stereoisomer, has six stereocenters. Human progesterone is one of how many possible stereoisomers for this structure?
A) 6
B) 32
C) 64
D) 128
C
Environmental & Atmospheric Sciences
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The United States produces ________% of the global supply of coal but currently consumes ________% of the global demand.
A) 26.6%, 10.3%
B) 26.6%, 11.9%
C) 10.3%, 26.6%
D) 11.9%, 26.6%
E) 11.9%, 10.3%
Environmental & Atmospheric Sciences
Estimate the approximate length of daylight for the following locations:
a) Dawson, Yukon Territory, Canada (64° N), on December 21 b) Adelaide, South Australia (35° S), on June 21 c) Bangkok, Thailand (14° N), on March 20
Environmental & Atmospheric Sciences
What the the primary factors to contribute to seasonality on Earth
What will be an ideal response?
Environmental & Atmospheric Sciences
Calm, fair weather is most likely to result from a(n) ________
A) tropical cyclone B) midlatitude cyclone C) midlatitude anticyclone D) tornado E) chinook
Environmental & Atmospheric Sciences