Which of the following is an example of

negative feedback?

1) Earth gets warmer, sea ice melts, Earth

absorbs more heat.

2) Earth gets warmer, more heat is lost to

space, Earth cools.

2) Earth gets warmer, more heat is lost to space, Earth cools.

Explanation:

Negative feedback is when a variable triggers an opposite response that will bring it back to normal.

Positive feedback is when a stimulus causes a response that increases the stimulus, like in option 1).

Answer: 2

Why because the other one are are better than 2