Question

multiple - choice question
what are three examples given of negative feedback?
when the temperature inside the greenhouse gets too warm for the plants, the ventilation opens and the heat turns off.
when there is not enough sun, the shades open to allow for more sun
when there is too much sun for the plants, the shades close
when the temperature for the plants gets warm, the ventilation closes and heat stays on

Explanation:

Negative feedback is a process where a change in a variable triggers a response that counter - acts the change. In the greenhouse examples, when temperature or sunlight deviate from optimal levels, corrective actions are taken. The first option counter - acts high temperature, the second counter - acts low sunlight, and the third counter - acts high sunlight.

Answer:

When the temperature inside the greenhouse gets too warm for the plants, the ventilation opens and the heat turns off.; When there is not enough sun, the shades open to allow for more sun; When there is too much sun for the plants, the shades close