Who tryna let me be they tinderoni

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata