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Slow flowing, more viscous basaltic lava commonly has a rough, blocky texture called ________.

The Columbia River Basalts erupted in eastern Washington, western Idaho, and northeastern Oregon between 17 and 14 million years ago.  They are an example of:

A caldera collapse occurs ________________.

CHOOSE  5 of the 7 major consequences associated with climate change that we will experience in our lifetime and for each tell me the affect it will have to humans either socially, economically, or politically. (1 pt for each consequence and 1 pt for each effect)  

Lava extruded at high temperatures tends to be:

Increasing the amount of carbon dioxide in the atmosphere has the effect of making the ocean __________.

Multiple Choice: Read each question carefully and select the best possible answer.

The typical trend of subduction-zone magma is to have an increase in the ____________.

If the greenhouse effect is natural, then why is today’s climate change a bad thing?

What type of volcano would you expect to find over an oceanic hot spot (like Hawaii)?