Rocks are classified into three types on the basis of their
a. process of formation.
b. age.
c. geographic origin.
d. color.
a
Physics & Space Science
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One advantage of using air as the working fluid in a solar collector is ________
a. that freezing will not be a problem b. that water heats up faster than air c. a smaller storage facility can be used d. that one needs hot water for showers
Physics & Space Science
A triangle has sides of length 7 cm and 11 cm. If the triangle is a right triangle, which of the following could be the length of the third side, to the nearest centimeter?
a. 11 cm b. 8 cm c. 16 cm d. 17 cm e. 7 cm
Physics & Space Science
What is the name of the feature indicated by the arrow in this photo?
A) the Great Red Spot B) the Io torus C) the Great Dark spot D) the Cassini Division
Physics & Space Science