Which statement best explains the environmental drawback of using geothermal energy over energy generated by fossil fuels?

More cost-effective over time
Less pollution than fossil fuel plants
More energy plant locations available
Changes to regional landscapes

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.