Me with this study guide for 15 points. you can fill it out or some thing.

Isthmus: a narrow land joining a bigger land from both sides.
Example = Land between North America and South America

Island: a land separate from all of the other joined lands
Example = Australia

Plateau: an area of relatively level high ground.
Example = Grand Canyon

Biodiversity: Wild range of plants and animals
Example = Rain forest

Embargo:  government-instituted prevention of exports to a certain country 
Example =  Country A dislikes Country B's human rights policies. In order to coerce Country B to change its ways, Country A forbids its companies from selling widgets to Country B. 

Ecotourism:  the practice of touring natural habitats in a manner meant to minimize ecological impact
Example = Louisiana 

Carnival: a public event or celebration
Example = Christmas

Interdependence: Difference between two things  
Example = If you study Math, you’ll discover there is a great deal of difference between fractions and decimals

Dependence: Being controlled by someone or something
Example =  When driving a car, the controls are with the driver.

Independence: Free from being controlled
Example = If you want  drink water, you do drink it. No one can control you with that

Communism best describes china's government

Absolute !