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)

Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium