A vesicular igneous texture indicates that:

A) there was a lot of gas in the magma
B) the rock cooled quickly
C) the rock broke apart as it flowed
D) the rock cooled slowly
E) the ash and pumice were hot and became compacted

Reduced temperatures and growing seasons in Europe following the 1783 Laki eruption were primarily caused by:

A) blocking of sunlight by volcanic ash and aerosols
B) blanketing of the ground with thick layers of ash
C) cold glacial meltwater entering the northern Atlantic in massive quantities

The ____________________ Protocol is a treaty designed to help slow global warming.

The area of shoreline between low and high tides is called the ____________________ zone.