When markets fail, public policy can: a. do nothing to improve the situation. b. potentially remedy the problem and increase economic efficiency. c. always remedy the problem and increase economic efficiency. d. in theory, remedy the problem, but in practice, public policy has proven to be ineffective.

To sum it up you’ll get in a lot of trouble and even some legal action can be taken

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.

Ifound the exercise on the internet. attached is the list mentioned above.in order for a compound to be considered optically active it can't have any axis or plan of symmetry. the molecule  shouldn't also  be superimposable on its mirror image.with such considerations, the compounds that are optically active are: -third compound on the first image is optically active; -second and third compound from the second image are optically actives.