Can somebody help me to this answer?

Saving forest -> Use computers for communication and taking notes, conserving freshwater aquifers -> Treat sewage water and use it in factories, Reducing CO2 emissions that contribute to climate change -> Walk or use bicycle for short distance trave

1. bottom box, 2. top box, 3. middle box

Explanation: common sense really

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.