1. An atmospheric layer that protects Earth from harmful solar radiation (1 point)
acid rain
biosphere
greenhouse gasses
ozone

it further strained relations between the north and the south and convinced

where is the cartoon dude

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.

it should be a. song dynasty’s civil service examination system created an administrative bureaucracy manned by the landed aristocracy.