Which of the following phase changes does not involve a liquid?
A) evaporation
B) melting
C) sublimation
D) None, they all involve a liquid.
C
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Which of the following correctly gives the order of boiling points for the molecules propane, dimethyl ether, and ethanol?
A) ethanol > dimethyl ether > propane B) ethanol > propane > dimethyl ether C) propane > dimethyl ether > ethanol D) propane > ethanol > dimethyl ether
In the atmosphere, advection is horizontal, convection is vertical
a. True b. False
Discuss the various disposal and recycling options that exist when a cell phone is no longer wanted or useable. Be sure to point out the environmental impact(s) associated with each option.
What will be an ideal response?
Match the wave motion with the correct seismic wave
A) motion at Earth's surface that may move materials side to side, or up and down B) motion that involves compression and expansion of the material through which it passes; may pass through solids, liquids, and gases C) motion that involves oscillation perpendicular to the direction of propagation; only passes through solids 13) P wave 14) S wave 15) Surface wave