Nuclear power: accounts for half of the energy used in the U. S.
creates less energy than fossil fuels
is a nonrenewable resource
is a renewable resource

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?