What caused the pottery to turn black? a.
They were allowed to always be exposed to the air.
b.
They were allowed to always be exposed to rain.
c.
When they were covered with manure, oxygen was increased.
d.
When they were covered with manure, oxygen was reduced.

How does the grapes of wrath identify the effects of americans' views on the dust bowl? the story is a depiction of oklahoma farmers and the difficulties they experienced migrating to california. the story accurately describes the impact the california vineyard industry had on migrant workers. the story covers the rise of corporate farming and the devaluation of the small family farms that dotted the great plains. the story is an allegory for the conflicts between american values and the rise of the communist party in the united states.

Which physical feature minimizes population density in northern africa?

Why did trade along the silk road increase after it fell under mongol control? o people stopped using camels the mongols paved the road o it became safer to travel the mongols were better traders next question ask for