What is one example of the use of an infrared sensor?

question 3 options:

track shipment of packages

x-rays to see if a bone is broken

detecting the presence of humans trapped under collapsed buildings

broadcasting radio stations

true                                                                                                       true true true true true true

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds