If a society decides to produce consumer goods from its available resources it's answering what basic economic question?

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

Uncle tom's cabin started out as a series of articles printed in the national era, a newspaper.

Identify the youngest layer in the figure ( have to click one letter)