Which occupies the smallest percentage of the electromagnetic spectrum?
A. Visible light.
B. Gamma rays.
C. Radio waves.
D. Microwaves.
Answer: A
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The ethnic heritage of most African Americans has roots in
A) forced migration from Africa. B) common language traditions. C) skin color, facial features, and hair type. D) living in central urban locations. E) migration from Europe to North America.
Which climate type commonly found along coastlines is characterized by mild winters and hot summers with little to no precipitation?
a. tropical savanna b. Mediterranean c. oceanic d. humid subtropical e. humid continental
The nation which initially dominated the Caribbean tourism trade was
A) Dominican Republic B) Bahamas C) Cuba D) Puerto Rico E) Barbados
________ organisms live in the marine ecosystem above the sea floor. Fill in the blank(s) with the appropriate word(s)