coal sense it is nonrenewable energy it will basically run out in 30 or 40 years
Coal reserves can last for up to 300 years
Because there is a lot of it
Scientists believe the world's coal supply will last for another 200 to 250 years.
another 5 years
about 300 years
Coal reserves can last for up to 300 years
Coal can last for quite a long time when used in large amounts.
Because there is a lot of it
Scientists believe the world's coal supply will last for another 200 to 250 years.
Coal mining will not last for long because coal is becoming scarce.
another 5 years
about 300 years
well how long is a piece of string
Scientissts predict that it will last 155 years.
We really do not know because it is in the ground.
50 years maxumim
Scientists predict that it will last 155 years.