Sunsets are red for all of the following reasons except:
A) red light has more energy than blue light.
B) Mie scattering.
C) Rayleigh scattering.
D) light has to travel through more atmosphere to reach the observer.
Answer: A
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In ecology, a ________ is made up of interacting populations of different species that inhabit the same area
A) guild B) biome C) community D) ecosystem E) population
Character displacement can result from all of the following EXCEPT ________
A) intraspecific competition B) natural selection C) interspecific competition D) the use of limited resources by multiple species E) resource partitioning
______________ exists when two separate regions possess qualities that would work to complement each if unified into one unit.
Fill in the blank(s) with the appropriate word(s).
On average, how far do agricultural products travel from farm to plate in the United States?
a. 100 miles b. 400 miles c. 800 miles d. 1100 miles e. 1400 miles