Which of the following are anthropogenic sources of acid rain?

a. volcano emissions, lightning, and microbial processes

b. industrial emissions and other man-made polluters

c. smokestacks and volcano emissions

d. microbial processes and fuel combustion

What were copernicus’s ideas about the order of the universe deemed to be dangerous to church thinking? (5 points) a.the church was invested in the idea that the earth was at the center of the universe b.copernicus was developing a new religion that would challenge the church c.the church feared his ideas threatened their control of european universities d.copernicus was a follower of luther and therefore could not be trusted

Put these events in the correct order #1-4. cause: world war 1 caused heavy casualties and property damage throughout europe. many people barely had enough food to eat or coal to stay warm. what happened next? question 1 options: communism soon spread to many small countries near russia, and eventually spread to cuba, china, and vietnam. led by vladimir lenin, a group called the bolshevik party gained the support of the people and overthrew russia’s monarchy, killing czar nicholas ii and his family. russia, now led by lenin, became the first communist nation in history. russian citizens, who were starving and poor, became angry at the ruling class who held all of the nation’s wealth. 1 2 3 4

In this lesson, you learned about the early battles in the civil war. what did these battles have in common? in one or two sentences, state the main idea of the lesson.