forests, wetlands, lakes, and rivers
Marine ecosystem and desert ecosystem.
aboitic, and biotic
Mountains and bodies of water.
Ecosystems
Two major ways whereby nitrogen is fixed in ecosystems are through rainfall and through leguminous crops.
Saltwater/Marine ecosystems and Freshwater ecosystems.
Aaronsburg
PA
The Great Dane
farms or forest
cold and warm
There are many traditions in Pennsylvania.
Biomes or ecosystems fill this description.
Philadelphia
dairy products
Pennysylvania is a state.
the packers