Spell all words correctly. Which non-destructive technique is used for analyzing carpet fibers at a crime scene?

is a non-destructive technique used for analyzing carpet fibers at a crime scene and preserving evidence in the original form.

( forensic science question)

Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.

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Sorry i dont understand the question can you rephase it?