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.
I believe the answer is legumes
That would be One glucose and one galactose molecule
I hope this helps :3
Having more then one independent variable will give unreliable results. Hope this helps