The danger of reduced traction is greatest: a. within the first half hour of rainfall. b. within the first hour of rainfall. c. within the first two hours of rainfall. d. the first day it rains after a drought.

A - Within the first half hour of rainfall

Explanation:

When it first starts raining, the water breaks the baked-on particles apart and mix with the rainwater, turning it into a very slick coating on the road. This results in dangerous, slippery conditions

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