What is a silicate?
A. quartz
B. silicon dioxide
C. low-density rocks frequently found on the surface of Earth
D. rocks that include silicon and oxygen as major components
E. All of these choices are correct.
Answer: E
You might also like to view...
What is a lava dome?
What will be an ideal response?
If a blackbody is at 2000° C, what will be the peak wavelength emitted?
a. 1.67 mm c. 0.679 mm b. 1.28 mm d. 1.45 mm
A concave mirror has a focal length of 20 cm. What is the position (in cm) of the resulting image if the image is inverted and four times smaller than the object?
A. 15 B. 25 C. 50 D. 100 E. ?15
Helium originates from
A) stellar nucleosynthesis only. B) the Big Bang only. C) mostly from stellar nucleosynthesis with a small contribution from the Big Bang. D) radioactive decay of elements heavier than carbon. E) mostly from the Big Bang with a small contribution from stellar nucleosynthesis.