1.

Willa is studying an unknown mixture. She tried to filter the mixture, but all particles passed through the filter. She tried to pass a concentrated beam of light through the mixture, but the light was scattered. Based on this information, which type of mixture is Willa studying?
Teen girl doing chemistry, looking at a goey green substance. Isolated on white.

solution

suspension

colloid

element

Willa is studying a colloid.