Unit 3 Vocab

Global warming has had a huge ______ on the world.

The Yellowstone Caldera supervolcano might ______ in 2025

This area of land is too poor to ________.

Most of the wars fought in the last 100 years were over territorial ______.

_______ ways to generate energy must be developed in order to combat climate change.

They ________ their time to help clean public bathrooms.

Concentrating in class has a big _____ towards your grades.

Carbon dioxide _______ account for most greenhouse gases.

Answer explanation

U

Archduke Franz Ferdinand was the ____ of the Austrian-Hungarian empire.

The NATO ______ was formed as a counter action to the USSR alliance.

Answer explanation

I’m