Which of these hockey pucks has zero acceleration?
A. One in mechanical equilibrium.
B. One at rest.
C. One moving at constant velocity.
D. all of the above
Answer: D
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Which of the following is an abiotic component of an ecosystem?
A. nutrients B. microbes C. autotrophs D. heterotrophs E. tertiary consumers
Which of the following is not a factor capable of influencing coastlines?
A. large currents B. plate tectonics C. waves generated by severe storms like hurricanes D. humans E. All of these choices are correct.
Discuss two different examples of uniformitarianism
What will be an ideal response?
What causes magnetic stripes on the seafloor, such as those shown here?
A) Volcanic rocks in oceanic crust are covered by a variable thickness of sediment.
B) Some oceanic crust consists of volcanic rocks and some is composed of sediment.
C) Sometimes Earth's magnetic field points north and sometimes it points south.
D) Some volcanic rocks are formed in normal ways and others have pillows.