GEOLOGY

Detailed explanation-1: -Fossil Fuels Vocabulary A flammable material, without a definite form, produced from organic material (remains of marine organisms) buried under layers of sediment found near oil deposits.

Detailed explanation-2: -Methane is an odorless, colorless, flammable gas. It is used primarily as fuel to make heat and light. It is also used to manufacture organic chemicals. Methane can be formed by the decay of natural materials and is common in landfills, marshes, septic systems and sewers.

Detailed explanation-3: -In the United States and in a few other countries, natural gas is produced from shale and other types of sedimentary rock formations by forcing water, chemicals, and sand down a well under high pressure.

Detailed explanation-4: -Petroleum, also called crude oil, is a fossil fuel. Like coal and natural gas, petroleum was formed from the remains of ancient marine organisms, such as plants, algae, and bacteria.