Nature refers to your genetic predisposition to be a certain way and nurture refers to the effects that our parents or people who raised us have on us
A common advantage which can be often observed in group conflict would be that we can see the members' ideas, oppinions stances and even suggestions. All of these are important when we're working in a group and are trying to find a solution to a complex problem which is related to everybody.
Since non-polar molecules are equally distributed and positively charged atoms in contrast with polar molecules. Thus, like fats oils and waxes, these materials are composed mainly of lipids or in the group of fats and are conspicuously insoluble with water. How do these substances interact with water? They are hydrophobic, thus, they don't "mix" with water. Unlike water and other polar molecules that are unequally and negatively distributed and charged making them able to bond with other molecules like oxygen and other polar molecules and substances.
The answer is producer because they are at the bottom of the food chain and are the starting point of new energy.