The process of logging that removes all of the trees from an area is called ____.

____ is characterized by permafrost.

Pollutant levels in cities are ____.

Succulent plants are most likely to be found in ____.

Maslow’s Hierarchy of Needs show that people act to fulfill 5 needs; Physiological, safety, social, esteem, and self-actualization.

How many mass extinctions have occurred already?

Define absolute advantage and comparative advantage. Provide an example of each to show accurate understanding. 

An endangered species is best described as any species that ____.

Rapidly growing countries have an age structure that ____.

Ocean currents are most significantly affected by ____.