Question

What is an example of positive feedback?

A. A herd of buffalo running away after one of them spots a lion.

B. A computer screen dimming when the battery gets low.

C. A pressure cooker valve opening to reduce the high pressure inside.

D. A thermostat switching on an air conditioner when the temperature gets too hot.

Answer 1

A. A herd of buffalo running away after one of them spots a lion.