The sedimentary rock cycle. This is when a lot of rocks are being pushed and pressed together.
I believe it is Sophia, or Sofia.
If resources get low, the population's numbers can decrease.
Solar is inconsistent due to time of day and/or weather.
Nuclear creates long lasting radioactive waste.
Hydroelectric construction of this resource destroys river ecosystems.
Coal creates pollution when burned.
Wind is inconsistent due to only to weather.
The answer is true it can be traced to one particular reason.