How do longshore currents cause sediment deposition or erosion along the shoreline?
What will be an ideal response?
Longshore currents erode sediment where the current exerts sufficient shear stress to pick up the sediment grains. Deposition usually occurs where current velocity decreases, the waves approach from a different direction, or where the currents are interrupted by irregularities in the shoreline, such as headlands, groins, and jetties.
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What is one possible reason artiodactyls have been more successful than perissodactyls?
a. Artiodactyls developed the ability to fly. b. Artiodactyls developed multiple stomachs to aid in digestion. c. Artiodactyls developed long limbs to run faster. d. Perissodactyls developed the ability to fly. e. Perissodactyls developed multiple stomachs to aid in digestion.
Environmental problems associated with geothermal energy include
A. air pollution, corrosion of pipes, and may be toxic to fish. B. water and noise pollution and devastation of caribou herds. C. being non-renewable, smells, and has large volumes of waste water. D. killing of birds, noise pollution, and is very expensive.
The Sun 'rises' at the South Pole on September 22
Indicate whether the statement is true or false
Which of the following is part of the coastal zone?
A. vertical zone B. euphotic zone C. intertidal zone D. upwelling zone E. bathyal zone