The Greenwich meridian is also known as the
a. zero, or prime, meridian.
b. reference circle.
c. east–west coordinate parallel.
d. hour meridian.
a
Physics & Space Science
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Kuiper belt objects are small, rocky bodies orbiting beyond Mars
a. True b. False Indicate whether the statement is true or false
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Action and reaction pairs of forces
A) always act simultaneously. B) may or may not act simultaneously. C) are independent of time.
Physics & Space Science
An ice cube floating in a glass of water contains many air bubbles. When the ice melts, the water level will
A) rise. B) fall. C) remain unchanged.
Physics & Space Science
In the first law of thermodynamics, the work can be
a. only positive. b. only negative. c. neither. d. either positive or negative.
Physics & Space Science