What is a biological detergent and how does it work ​

Biological washing powder and liquids contain enzymes. These help to break down fat, grease and proteins to get clothes clean. While enzymes are great for getting rid of stains, they can damage wool, silk and other materials. Many people also find that they aggravate eczema and other sensitive skin conditions.

i think the answer is b.

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .