Question

Which of the following is an example of an indirect observation?

Answer 1

A-using a live video to observe nesting owls
B-using tools such as a thermometer or rain gauge to take measurements
C-counting rings on a tree stump to determine its age
D-counting the number of bald eagles that land near a river

Answer 2

@Directrix @shylene2121

Answer 3

what unit and lesson ?

Answer 4

its a study island question

Answer 5

im thinking it maybe c

Answer 6

it's B because when you measure the temperature you don't measure directly the difference of temperature but the dilatation of the liquid in the thermometer. So it's an indirect way to measure the temperature.