Winds and gravity start water moving across the globe, but the currents that form do not flow parallel to the wind or in a straight line. Instead, the currents move at an angle or curve as they move in easterly or westerly directions. What causes this curving pattern? A) the Coriolis effect
B) changes in water density
C) Earth's tilt on its axis
D) unequal heating between the equator and the poles

C

Explanation:

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

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