11 terms

PCRS Harcourt Science Unit B Chapter 4 Vocabulary

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acid rain
Precipitation resulting from pollution condensing into clouds and falling to Earth
climax community
The last stage of succession
conserving
The saving or protecting of resources
reduce
To cut down on the use of resources
reuse
To use items again; some times for a different purpose
recycle
Recovering a resource from an item and using the recovered resource to make a new item
succession
A gradual change in an ecosystem, sometimes occurring over hundreds of years
pioneer plants
The first plants to invade a bare area
reclamation
The process of restoring a damaged ecosystem
pollution
Waste products that damage an ecosystem
Wetlands
The water ecosystems that include saltwater marshes, mangrove swamps, and mud flats
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