The micas, biotite and muscovite, both exhibit one direction of cleavage.
Indicate whether the statement is true or false.
Answer: True.
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Which of the following is NOT a rock forming mineral or mineral group?
A. Clay Mineral Group B. Quartz C. Feldspar Group D. Amorphosite E. Calcite
The largest ethnic group in Sri Lanka is the
A. Sinhalese. B. Gujaratis. C. Tamils. D. Kashmiris.
The two ways in which humans have most interfered with the carbon cycle are
A. clearing trees and plants and aerobic respiration. B. aerobic respiration and burning of fossil fuels. C. respiration and photosynthesis. D. burning of fossil fuels and clearing trees and plants. E. respiration and clearing trees and plants.
The ‘extinction capital' of the United States is
a. Florida with 63% of its species at risk b. Hawaii with 72% of its species at risk c. California with 63% of its species at risk d. Hawaii with 63% of its species at risk e. There is no ‘extinction capital' in the U.S. at all, since the number of species at risk is uniform across the 50 states.