Sunlight help to provide energy to the plant to complete the process. Basically, the plant harvest the solar energy.
Taxable characters are the best on I have heard
An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials (gravel, sand, or silt). Groundwater can be extracted using a water well.
We know that copper sulfate can be used in an experiment to test whether or not a protein is at hand, etc. Hope this helps!