2. High-pressure systems usually are associated with are associated with A. Clouds and precipitation, fair weather B. The jet stream, fronts C. Fair weather, clouds and precipitation D. Fair weather, fair weather​

Correct Answer ( A.) High pressure usually are associated with fair weather and low pressure systems are associated with clouds and precipitation

Explanation:

High pressure systems are usually are associated with and low-pressures systems are associated with .

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.