Exam CEM Topic 1 Question 40 Discussion

Renewable energy resources are naturally replenished on a human timescale. Let's evaluate each option:
A). Saw grass:
A biomass resource, renewable through regrowth.
B). Shale gas:
A fossil fuel extracted from shale formations, non-renewable.
C). Geothermal heat:
Energy from Earth's internal heat, renewable.
D). Ocean waves:
Mechanical energy from ocean surface waves, renewable.
E). Crop residue:
Organic materials from agriculture, renewable.
Conclusion:
Shale gas is not a renewable energy resource. Therefore, the correct answer is B.