What texture is displayed by the igneous rock in this photograph?
A. glassy
B. porphyritic
C. vesicles
D. breccia
E. None of these choices are correct.
Answer: B
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In regard to the shortwave energy entering the earth's atmosphere, most is
A) used to heat either the atmosphere or the ground surface. B) lost into space by scattering and reflection. C) used for sensible heat flux. D) used for latent heat flux.
Suppose a professor teaching from your textbook makes the comment that “The media responds to what is sensational, and typically pays more attention to the least deadly natural disasters.” Consider what you have learned about the number of deaths associated with different types of disasters, and explain what the professor means by the statement?
What will be an ideal response?
What term describes the close-fitting mosaic of pebbles, cobbles, and boulders covering the floor of many deserts and semi-arid regions?
A)ventifact B)desert pavement C)longitudinal dune D)yardang E)barchan dune
The term half life represents the time it takes
A. for the parent atoms to decay into atoms half their original size. B. for the Sun to decrease its size by 50 percent. C. to dissolve half of the atoms in the lattice. D. for half of the parent atoms to decay into daughter atoms.