PLZ HELP ASAP!!! What is the difference between a brushfire poll and a tracking poll?

A tracking poll or rolling poll is a poll in which responses are obtained in a number of consecutive periods while brushfire polls are polls taken during the period between the benchmark poll and tracking polls.

Explanation:

⇒Brushfire polls are polls taken during the period between the benchmark poll and tracking polls. The number of brushfire polls taken by a campaign is determined by how competitive the race is and how much money the campaign has to spend.

⇒ A tracking poll or rolling poll is a poll in which responses are obtained in a number of consecutive periods, for instance daily,  results are calculated using a moving average of the responses that were gathered over a fixed number of the most recent periods, for example the past five days.

answer: the correct answer is c.

explanation:

the real answer is b