Best Answer: The initial size of the star is what decides. A star is huge, I mean really big, and all that gravity wants to pull itself together (everything attracts). So, the star wants to collapse. But, it creates nuclear fusion, and that is the force that pushes the star out.
2015-11-20T10:18:22-05:00. agricultural. The largest use of the world's water is used for irrigation or agriculture. This is because the high demand of food thus agricultural products are demanded to supply at a rapid amount in just a short time. The population growth influences mainly the use of resources and one is water. Fresh water only amounts little to the drastic needs of society today and much is used for agriculture as studies suggest.
Two of the biggest water variables, however, are population and diet. China's big population gives it one of the world's biggest water footprints (12% of the global footprint, as opposed to the United States' 9% share), and as the country develops, per capita meat consumption is also rising.ia Waterfootprint.org. Dark red countries have the worst footprints-between 2.1 and 2.5 million liters of water per capita each year. The top five biggest average daily users of water are the U.S., Australia, Italy, Japan, and Mexico-all five of these use well over 300 liters daily.