Magnet A has twice the magnetic field strength of magnet B, and at a certain distance pulls on magnet B with a force of 100 N. The amount of force that magnet A exerts on magnet B is

A) at or about 50 N.
B) exactly 100 N.
C) not enough information given


B

Environmental & Atmospheric Sciences

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In this diagram, water velocity downstream generally



A) decreases.
B) remains the same.
C) increases.
D) There is no way to tell because discharge cannot be determined.

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A road engineer is looking for ways to improve safety on a stretch of road bordered by a moderately steep field of small boulders. Suggest and describe three techniques that could be used practically

What will be an ideal response?

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What kind of movement of particles is able to move against normal concentration gradients?

A) Active transport B) Diffusion C) Osmosis D) All of these choices

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Since detection and tracking of hurricanes is now quite accurate, why does damage from these storms continue to increase?

A) changes in tidal patterns B) poor forecasts of landfall area C) hurricane intensity is greater D) continued development of coastal areas

Environmental & Atmospheric Sciences