The sedimentary rock known as ______________ consists of angular pebbles cemented together by silica, calcium carbonate, or iron oxide
a. conglomerate
b. breccia
c. limestone
d. shale
b
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Magnifying Glass With the Image at Infinity: What is the angular magnification of a magnifying glass of focal length 4.0 cm if the image is to be viewed by a relaxed eye having a near point of 25 cm?
A. 2.0 B. 3.0 C. 3.6 D. 4.0 E. 6.3
A main difference between a radio wave and a light wave is
A) wavelength. B) frequency. C) both of these D) neither of these
Mercury's _______________ are marked by meteorite craters less than 15 km in diameter, in addition to secondary craters
Fill in the blank(s) with correct word
In a nuclear power plant, the reactor produces 500°C steam that is used to power the steam turbines which generate 1500 MW of electrical power. The cooling tower eliminates the waste heat at 50°C. If the efficiency of the plant were that of a Carnot engine, at what rate would waste heat be vented to the atmosphere?
What will be an ideal response?