Answer:Тhey help to break down food so that we can absorb the nutrients within. As specialists in their fields, each one has a specific role to play in stain removal. Lipases are responsible for breaking down oils and fats whereas proteases break down protein and starch, such as blood and gravy.
<span>C) The emissions of the internal combustion engine which runs on oil/gas has added to air pollution such as smog. </span>