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Enviornmental Problems

Across
Machinery and equipment developed from the application of scientific knowledge.
What happens due to intensification of food production
Defines the letter A in the I=PxAxT equation
Upper size limit imposed on population by its environmental resources
They call the US "the worlds trashiest people" because we have many ____ dumps.
The conditions and surroundings affecting living creatures
An example of Land degradation
Name of the treaty protocol approved back in 2001
Down
The process of how nature purifies water
A deposit paid for when beverages are bought
A complex interrelated network of life forms and nonlife forms
ntroduction into the air of a substance which has harmful or poisonous effects
The process by which plants capture energy and turn it into food
Not in my backyard
The study of relationships between living organs and its enviornent