The sedimentary rock known as ______________ consists of rounded pebbles cemented together by silica, calcium carbonate, or iron oxide
Fill in the blank(s) with correct word
conglomerate
Physics & Space Science
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Pluto is no longer classified as a planet; instead it is classified as a(n) ____________
Fill in the blank(s) with correct word
Physics & Space Science
The Yerkes refracting telescope has a 1-m diameter objective lens of focal length 20 m and an eyepiece of focal length 2.0 cm. What is the magnification of the planet Mars as seen through this telescope?
a. 800 c. 400 b. 1000 d. 200
Physics & Space Science
About what percent of Earth's water is fresh water?
a. 8% b. 18% c. 2% d. 15%
Physics & Space Science
An object moves with speed vx = +0.9 in the Home Frame. In an Other Frame moving at ? = 0.60 relative to the Home Frame, the object’s x-velocity v?x is
A. v?x = 1.5 B. 1 < v?x < 1.5 C. 0.9 < v?x < 1 D. 0.3 < v?x < 0.9 E. v?x < 0.3 F. v?x < 0
Physics & Space Science