Environmental Science
In an oil trap formed by an anticline, __________ accumulates on top, __________ in the middle, and __________ at the bottom.

natural gas, oil, groundwater
oil, groundwater, natural gas
ground water, oil, natural gas
oil, natural gas, ground water

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Environmental Science
Which among the following is related to the word Mesoderm ?

Anatomically advanced animals having all three germ layers
Binomial system of classification
No membrane-bound organelles, no peptidoglycan in cell walls, introns
Forms blood and bone (leads to complex internal organs)

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