Temperature is a measure of the average speed of ____________________ and ____________________
Fill in the blank with correct word.
ANSWER: atoms; molecules
molecules; atoms
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Plastic wrap is made of nonpolar molecules and is able to stick well to polar surfaces, such as glass, by way of dipole-induced dipole molecular attractions. How is it that plastic wrap also sticks to itself so well?
A. Ions are formed as the plastic rubs against itself. B. by way of dipole-induced dipole molecular attractions C. by way of dipole-dipole molecular attractions D. by way of induced dipole-induced dipole molecular attractions
Which of the following statements is true?
a. Temperature inversions occur when a layer of cold air prevents warm air from rising. b. Temperature inversions exacerbate pollution problems. c. Temperature inversions last only a few minutes to a few hours. d. Normally, cool air near Earth's surface expands and rises, carrying pollutants higher into the troposphere. e. Temperature inversions help prevent air pollution.
A delta forms when
A) ocean waves, especially during storms, pile up sediment along the coast. B) a steep mountain front collapses sending sediment out into the sea. C) a river slows and deposits sediment as it enters a lake or sea. D) windblown dust slides down steep hillsides and into a lake.
Zooxanthellae are autotrophic marine protists that are found in the living tissues of some simple marine invertebrates such as corals, sea anemones, and jellyfish. Zooxanthellae are ________
A) bacteria B) golden algae C) dinoflagellates D) protozoans E) foraminifera