Which mineral is commonly pinkish and has light-colored wavy lines?
A. quartz
B. pyroxene
C. amphibole
D. olivine
E. potassium feldspar
Answer: E
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Which of the following is true of the the law of conservation of energy?
A) Energy is not created nor destroyed except with the addition of oxygen B) Energy is not created or destroyed under ordinary conditions, but it may be changed from one form to another C) Matter may be changed from one form to another under ordinary conditions but cannot be created or destroyed, except in nuclear reactions D) Matter can only be created with the addition of oxygen E) None of the answer choices are correct.
If light enters a transparent medium at a right angle (perpendicular), what change occurs to the light?
A) Only its direction is changed. B) Only its velocity is changed. C) Both its direction and velocity are altered. D) It is reflected rather than entering the medium.
A ________ is a volcanic depression much larger than the original crater, formed when the volcano collapses into a vacated magma chamber.
A. caldera B. vent C. ring dike D. basin E. crater
This map shows contours of the water table, the location of four factories (labeled A, B, C, and D), and contaminated (x) and uncontaminated wells (-). Which factory contaminated the groundwater?
A. factory A B. factory B C. factory C D. factory D