Neap tides occur when
A) the Moon's gravitational attraction is perpendicular to the Sun.
B) Earth, the Moon, and the Sun are all aligned.
C) the Moon and the Sun exert forces on Earth at a 45°angle.
D) the Moon and the Sun exert forces on Earth at a 60° angle.
Answer: A
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When a rock is buried deep in the Earth and experiences the same force from all sides, it is under
A) confining pressure. B) fluid pressure. C) shear stress. D) burial compression.
How do point and non-point sources differ? Give one example of each.
What will be an ideal response?
Which of the following demonstrates the correct order of the phases involved in a lightning stroke?
A) step leaders, return stroke, separation of charges, flow of negative charge into ground, dart leader B) dart leader, charge separation, flow of negative charge into ground, step leaders, return stroke C) charge separation, dart leader, step leaders, flow of negative charge into ground, return stroke D) charge separation, step leaders, return stroke, flow of negative charge into ground, dart leader
How would this stream interact with groundwater?
A. The stream will only contain water if it is raining at that time. B. Groundwater would flow into the stream, adding water. C. The stream would lose water as water in the stream flows sideways and up. D. The groundwater and stream water would not interact.