Answer:
1. formed from the remains of dead animals and plants
2. fossil fuel industries drill or mine for these energy sources, burn them to produce electricity
Step-by-step explanation:
1.heat and pressure from Earth's crust decomposed these organisms into one of the three main kinds of fuel: oil (also called petroleum), natural gas, or coal.
2.Fossil fuel power plants burn coal or oil to create heat which is used to produce (cause) steam to drive turbines, motors, generators, machines, etc. which basically generates electricity.