A typically green mineral with no cleavage is
A) muscovite.
B) plagioclase feldspar.
C) biotite.
D) quartz.
E) olivine.
E) olivine.
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What is the primary reason that Caribbean colonies began to turn to indentured labor as a workforce in the mid-nineteenth century?
A) By this time nearly the entire African continent had been depopulated. B) By this period most of the colonial governments began to free their slaves. C) There was a need for the highly specialized skills they brought. D) These individuals tended to work harder than slaves. E) By this period most of the African slaves in the Caribbean colonies had fled to Maroon settlements.
The total primary production of the world's oceans is determined more by the large seaweeds than it is by the single-celled microscopic phytoplankton.
Answer the following statement true (T) or false (F)
Which of the following features is NOT formed by precipitation of calcite from water?
A. flowstone B. stalagmite C. sinkhole D. travertine E. stalactite
Which country has the highest rate of total deforestation?
A. United States B. Burundi C. United Kingdom D. Japan