Your skills of will be challenges in an urban area .
a. turning , braking , and passing
b. accelerating and breaking
c. scanning and hazard identification
d. scanning and acceleration

C. scanning & hazard identification

Explanation: everything from an unseen traffic cone, to a billboard sigh, to a distracted pedestrian may challenge your skills of scanning & hazard identification in urban areas .

c

Explanation:

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)