What is the major rock-forming mineral group? Give examples of minerals in this group
What will be an ideal response?
Answer: Silicates are the most abundant mineral group in Earth's crust. Feldspars, quartz, pyroxenes, amphiboles, and micas are examples of silicates.
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Stars are born from the interstellar medium, and aging or dying stars return gas and dust back into the interstellar medium
a. True b. False Indicate whether the statement is true or false
When adding two numbers, the number of significant figures in the sum is equal to the number of significant figures in the least accurate of the numbers being added
A) True B) False
Two parallel square metal plates, 8.4 cm on each side, are 2.5 mm apart and carry equal but opposite charge uniformly distributed over their facing surfaces
How much excess charge is there on each plate if the electric field between the plates has a magnitude of 2.0 × 106 N/C? (k = 1/4??0 = 8.99 × 109 N ? m2/C2 )
The shear velocity in the 60-mm-diameter horizontal water pipe of Problem 2 is nearest:
(A) 0.031 m/s (B) 0.024 m/s (C) 0.019 m/s (D) 0.017 m/s