Answer:
I don't know if you have any questions except that I would answer
When two tectonic plates push towards each other, one continental, and another oceanic, the oceanic plate is subducting under the continental plate. This is due to the fact that the oceanic plates's crust is weaker and has lesser density, while the continental is stronger and has bigger density, so when pushing against each other, the weaker, less dense, oceanic plate can not oppose the stronger, more dense, continental plate and slowly subducts under it.
Answer:
During the 1960's the disclosure of enormous gas and oil fields in Alaska accelerated the change of most coal framework to other petroleum products. During this period Usibelli Coal Mine bought the Suntrana mine and the mining activities in the Matanuska coal fields stopped activity.
C I think hope this helps
Answer:
Compared to the valley, the ridge is relatively wet and cool.
Explanation:
The ridge is relatively wet and cool in comparison with the valley. Due to the mountains that surround the valley, the cool air does not enter the valley. This makes the valley hotter in contrast with the ridge. Also, it makes the ridge wet owing to the pressure and the low temperature that the air has.