Which of the following have gas chambers that serve as floats and sails that allow the wind to push them across the ocean surface?
A) Cnidarians
B) Coccolithophores
C) Ctenophores
D) Foraminifers
E) Radiolarians
A
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What of the following is NOT predicted for the Caribbean as a result of global climate change?
A) a loss of biodiversity B) variable rainfall leading to both floods and droughts C) a rise in sea level by 0.6 meters D) a decrease in surface temperatures between 1.2°C and 2.3°C E) increased frequency and intensity of hurricanes
The concentration of Silicate in the deep water of the Pacific Ocean is greater than that in the deep water of the Atlantic Ocean.
a. true b. false
Today, house types in the United States are distinguished by all but which of the following?
A) They can still be divided into three distinct regions. B) They display few regional distinctions. C) They are usually mass-produced. D) Alternative styles have diffused throughout the country. E) They demonstrate how popular customs vary more in time than in place.
Thunderstorms are also called: a. nacreous clouds
b. altostratus clouds. c. cloud streets. d. cumulonimbus clouds.