fruit have natural sugars and some vegetables also.
Many foods naturally have sugar, especially fruits.
the best source of sugar is the candies because they are maid out of real sugar
Honey, Maple sugar, and sugar beets
Natural sources for americium doesn't exist.
Natural sweeteners include corn sweeteners, sucrose processed from cane and beet sugars, or fructose
Natural sources : sun, firefly Artificial sources: oil lamps, tube lights
starsfireflieslightningfire
Volcanic ash
From the article:http://ezinearticles.com/?Cancer-Diet---The-Important-Vitamins&id=92583Quote: Natural sources are flaxseed oil, brown rice, brewer's yeast, lentils, macadamia nuts, pecans, raspberries, strawberries, walnuts, watercress and yams.
Some of the important sources of organic compounds are plants, animals, natural gas and coal. The main uses are in the manufacture of various products including plastics, explosives, food and drugs among others.
...grass.
Americium is an artificial element, a natural source doesn't exist.
There are a few things that can effect population size, some of them are lack of food sources or water sources, mortality rate, natural disasters, wildfires, diseases, and the birth and death rate.
Sucrose. It is used as a medium for transporting food around the plant.
Some natural recourses of NH are forest, tree's, and grasslands.