Which product comes from plants?

A. the yeast in sourdough bread
B. the cork in bulletin boards
C. the mushrooms on a pizza
D. The carrageenan in candies

It’s B.

Took the test and it’s the right answer

good one: produce hormones that plants grow.

bad one: the problem with organic matter is that while plant nutrients are needed for crop growth, they can also stimulate excessive growth of the wrong plants – mainly, algae.

the answer is "a.) well–developed vascular system."

explanation: