Which action is the best example of a direct observation?

A) listening to a cricket chirp at night and counting the number of chirps per minute

B) determining the seal population of an island by counting seals in 10 square meters of the island

C) identifying which bird was present by the tracks that it leaves in the sand at a beach

D) reading numbers on a heat sensor to conclude that there is a deer in the night woods

View Answer
Option – A.