Explain how a crime lab could use paper chromatography to determine if lipstick found at a crime scene matched the lipstick of a suspect.

Paper chromatography can be used to determine if lipstick on crime scene

is a match by comparing the color bands.

Paper chromatography is a technique used in the laboratory for the

separation of substances through the different degrees and rate of

migration.

In the scenario involving the lipstick , the constituents are separated as

substances have different rates of migration across sheets of paper. When

the lipstick found on the scene and the one which acts as the control is put

through that, a similarity in the vertical bands position generated as a result

of migration means  it's a match.

Read more on link

1. a tropical dry forest carries out more rapid nutrient cycling