Using examples, discuss the evidence supporting the continental drift hypothesis. What will be an ideal response?
The student should discuss the evidence, including continent shapes, rock types,
paleontology, glaciology, and remnant magnetism. Examples may include Glossopteris,
magnetic stripes on the seafloor, glacial striations, age of seafloor, etc.
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Atoms as a whole have no net electrical charge
Indicate whether the statement is true or false
Individual sand grains move along a beach:a
straight in the direction of the longshore current. b. straight offshore. c. in circles up and down the beach face but not horizontally down the beach. d. in a zigzag pattern in the direction of longshore currents. e. only during storms.
The sinuous, branching channels that characterize a salt marsh result from
A) animal paths through the marsh. B) the ebb and flow of tides. C) manmade drainage canals. D) storm tracks.
Carbon dioxide is added to seawater by ________.
A. decomposition B. transfer from the atmosphere C. photosynthesis D. respiration E. respiration, decomposition and transfer from the atmosphere