If you take too much of a fat-soluble vitamin, it could become toxic. Your body is especially sensitive to too much vitamin A from animal sources (retinol) and too much vitamin D. A balanced diet usually provides enough fat-soluble vitamins.he tables below list the vitamins, what they do in the body (their functions), and their sources in food.
Fossil Fuels and Energy Use. Fossil fuels are natural resources such as coal, oil (including gasoline and diesel fuel) and natural gas. They are formed from the remains of ancient plant and animal life. Fossil fuel burning powers our vehicles and industries, heats and cools our buildings, and runs appliances.It also produces electricity that we use for all sorts of purposes, such as lights and computers.hey are formed from the remains of ancient plant and animal life. Fossil fuel burning powers our vehicles and industries, heats and cools our buildings, and runs appliances. It also produces electricity that we use for all sorts of purposes, such as lights and computers.
Fossil fuels, including coal, oil and natural gas, are currently the world's primary energy source.Formed from organic material over the course of millions of years, fossil fuels have fueled U.S. and global economic development over the past century.s conventional oil from underground reservoirs runs out, more oil producers are turning to unconventional sources such as tar sands and oil shale. Coal. Coal is primarily used to generate electricity and is responsible for 39 percent of the electric power supply in the United States in 2014 (down from half in 2007).