<span>You are using two different techniques, the first being brainstorming. This is where the individuals make a variety of suggestions, usually written on a board or a paper, so it provides a visual component. The next is collaboration is when they work together in deciding what to use and look for the overall productivity of the group not the individual</span>
Answer:
SODIS is a method of purifying water using clear plastic bottles and natural sunlight.
The UV rays produced by the natural light kills any bacteria, virus, or other harmful substances.
This sounds like a homework assignment, not a question! :) :)
