Fruit ripening because of ethylene being released
causing more fruit to ripen
which releases more,
ethylene, is an example of
what kind of feedback
mechanism?
A. positive feedback
B. negative feedback
C. neutral feedback
D. external feedback

It's either positive feedback or neutral feedback (I can decide which one fits more)

Explanation:

With some fruits, it speeds up the ripening process depending on the rise in ethylene

that is wrong, its not thymus.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above