Quartz sandstone is changed during metamorphism into
A. quartzite
B. schist
C. hornfels
D. marble
Answer: A
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List two differences between simple polygons and regions.
What will be an ideal response?
Cool clouds:
A) contain no water droplets above 0 degrees Celsius. B) contain substantial numbers of ice crystals at all elevations within the clouds. C) have regions with above-freezing temperatures. D) typically form precipitation through the collision-coalescence process.
Lightning, thunder and hail typically accompany cumulus clouds
Indicate whether the statement is true or false
Given the three compounds (i) ethyl formate (ii) hydroxyacetone (iii) propanoic acid Which are constitutional isomers of one another?
A) only (i) and (ii) B) only (i) and (iii) C) only (ii) and (iii) D) They are all constitutional isomers of one another.