Petroleum is not a source of coal or coal-precursor.
The answer is B) Enhanced Geothermal System.
Explanation:
Engineered Geophysical An enhanced geothermal system (EGS) generates geothermal electricity without the need for natural convective hydrothermal resources.
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A nervous system because worms don't have nerves
Answer:
Yes, the similarity of embryos across species provide evidence for evolution. The similarity of the embryos indicates that they evolved from the same common ancestor, the embryos at letter A clearly indicates this.
Explanation: