Which of these is least likely to be an adaptation?
A. A cow uses its tail to help keep flies away.
B. A prairie dog burrows underground to escape predators.
C. An owl has large eyes that help it hunt at night when it's cooler.
D. A golden retriever learns to roll over on command.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.