Clouds occur when moist air is cooled by
A) expansion when it rises.
B) compression when it rises.
C) expansion when it falls.
D) compression when it falls.
Answer: A
You might also like to view...
If a light-emitting object is moving away from you, you observe its wavelengths to be ________ its wavelengths if it were at rest
a. longer than b. shorter than c. the same as
Which moons of our solar system are sometimes called the Galilean moons?
A) the four largest moons of Jupiter: Io, Europa, Ganymede, and Callisto B) the two largest moons in the solar system: Ganymede and Titan C) the moons that orbit their planet "backward" compared to their planet's rotation, such as Neptune's moon Triton D) the moons orbiting Uranus, which was once named "planet Galileo"
If a negatively charged object is brought near a suspended, negatively charged object, the suspended object will be
a. repelled. b. charged more. c. discharged. d. attracted.
The acceleration of gravity can vary locally on the Earth's surface because of the presence of rocks of different densities
Indicate whether the statement is true or false