Answer:It would be all of them
Explanation: Because they all give ideas on how "could a school reduce its use of energy resources
Answer:
In the absence of sunlight the plants which are dependent on sunlight for making food that is photosynthesis would die.
Also the people will suffer as sunlight is a good source of Vitamin D and in absence of sunlight they will not get it so easily.
True, reddish-yellowish color on pH paper shows acidity
Answer:
I don't really know sorry
