2. - IT IS THE ENERGY THAT COMES FROM THE GROUND AND THE
SEA
- THEY ARE GOING TO DISAPPEAR AND THEY CAN´T BE
REPLACED
1.- CRUDE OIL
- IT IS A COMBUSTIBLE LIQUID
- IT COMES FROM THE GROUND OR THE SEA
- WE USE OIL TO PRODUCE PETROL
- WE BURN PETROL TO PRODUCE THERMAL
ENERGY
3. 2.- NATURAL GAS
- IT IS A COMBUSTIBLE GAS
- IT COMES FROM THE GROUND
OR THE SEA
- WE BURN IT TO PRODUCE
THERMAL ENERGY
3.- COAL
- IT IS A COMBUSTIBLE SOLID
- IT COMES FROM THE GROUND,
IN MINES
- WE BURN IT TO PRODUCE
THERMAL ENERGY