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Biology 22 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

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

OpenStudy (anonymous):

@Directrix @shylene2121

OpenStudy (anonymous):

what unit and lesson ?

OpenStudy (anonymous):

its a study island question

OpenStudy (anonymous):

im thinking it maybe c

OpenStudy (anonymous):

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.

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