Which of the following experimental techniques is used in DNA fingerprinting?
A) centrifugation
B) diffraction
C) electrophoresis
D) inking
C
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The Coriolis Effect turns
A. wind and ocean surface currents. B. merry-go-rounds. C. wind. D. ocean surface currents.
The thick ________ horizon in the soil profile shown in the diagram below is one of the distinguishing features of the ________ soil type.
A) B; Ultisol
B) O; Ultisol
C) B; Oxisol
D) O; Oxisol
Glacial till is ____
A)any sediment deposited as a result of glacial activity B)boulders transported long distances and deposited by glaciers C)an elongated spoon-shaped hill that has been shaped by an overriding glacier D)unstratified sediment deposited directly by a glacier E)a lake within an outwash plain
Canada has the world's largest reserves of __________ __________, mineral deposits in which a thick liquid petroleum is mixed with sand and clay
Fill in the blank(s) with correct word