Winds near the surface in the continental united states generally flow from west to east. what causes this prevailing wind?

a: high pressure in the west and low pressure in the east.

b: uneven hearing from west to east.

c: the coriolis effect and convection currents.

d: the convection currents and conduction.

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Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?