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True or false: the rocks in the middle (purple) are the youngest.  

Extra Credit: What is this symbol and what does it tell you? (up to 5 points)  

What is the contour interval? 

If the S waves of an earthquake arrive 45 seconds after the P waves of that earthquake, how far away is the epicenter? 

Which effect of climate change prompts humans into behaviours that use more electricity for their own comfort and, therefore, release more greenhouse gases?

What metric is most commonly used to compare the impact of climate change among different countries throughout the world?

Read document 1.  He mentions his audience twice.  Who is he writing to?

Read Document 3. According to his speech, John C Calhoun believed that Jefferson’s expression [1] include blacks in “all men are created equal.”   He basically says that Jefferson was [2] in stating that all men were created equal.  

I was able to install Honorlock correctly.

Welfare, safety, and emergency announcements made over the PA system must be ____.