What is an example of positive feedback? O A herd of buffalo running away after one of them spots a lion.

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

O A computer screen dimming when the battery gets low.

O A thermostat switching on an air conditioner when the temperature gets too hot.(wrong)

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.