Question

15. What is a thermograph?

a device that uses infrared sensors to create pictures that show variations in temperature
an infrared lamp used for heating purposes
a color-coded picture that shows variations in temperature
an infrared sensor used to detect problems and variations in an electrical current

Answer 1

Answer: A device that uses infrared sensors.

Step-by-step explanation:

Answer 2

a device that uses infrared sensors to create pictures that show variations in temperature

Step-by-step explanation:

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