Answer: Permanent rivers are those which have water all year around. These are also called perennial rivers, and the water comes mostly from groundwater.
Explanation: I hope that is a good example for rivers around the world. If not then I'm sorry <3
1 shale
2 schist
3 conglomerate
4 granite
Answer:
the answer is the fist one I think
The answer is Pennsylvanian. I worked on this before. The Pennsylvanian era is a subperiod of the Carboniferous Period. i really hope this helps :)