A source region is a large uniform land or water surface which can be a region of development for air masses
a. True
b. False
Indicate whether the statement is true or false
True
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The molecular structure of stratospheric ozone is identical to ozone that is toxic in the troposphere
Indicate whether the statement is true or false
Creep associated with animals and resembling a faint network of trails is called ______.
a - hydrolysis b - a terracette c - oxidation d - solifluction e - a seiche
Which of the following does not accurately describe Earth's distance from the Sun?
A) The Earth-Sun distance averages 150 million kilometers (93 million miles). B) It takes light an average of 8 minutes and 20 seconds to travel from the Sun to Earth. C) Earth is closer to the Sun in January (perihelion) and farther away in July (aphelion). D) The Earth's orbit around the sun is presently circular and, therefore the Earth is always equidistant from the sun throughout the year.
What is NOT true about periglacial environments?
A. They are found in high-latitude or high-elevation areas. B. Lasting cold influences nonglacial land shaping. C. Periglacial means “in the period of glaciation.” D. Today’s periglacial lands were once glacial. E. They are found almost only in the Northern Hemisphere.