<span>Photosynthesis is important to living organisms because it is the foundation of most food chains. Photosynthesis is the process in which plants use the energy of Sunlight to convert carbon dioxide and water into sugar and oxygen. In food chains, plants are producers because they produce their own food so they are the foundation of most food chains. Since plants are the biggest group of organisms that perform photosynthesis, photosynthesis is important to living organisms because it is the foundation of most food chains.</span>
The foil method is a method to factor an expression. For example: FFWw. The question is simply trying to confuse you. Turn FFWw into (FF)(Ww) then solve as shown:
It also provides an extremely stable backbone with the negatively charged phosphates pointing to the outside of the molecule. This charge aids in the attachment of other molecules to the strand of DNA. DNA double helix allows it to be stable and it won't easily destroyed.