14. Susan made a dry mixture of pebbles, flour, and epsom salts. She added 50 ml of water to the
mixture. She wants to separate the materials in this
order: first pebbles, second flour, and last epsom
salts. What order is the best way to do this?
a. Evaporation, filtering, screening
b. Screening, filtering, evaporation
c. Filtering, screening, evaporation
d. Evaporation, screening, filtering