| Badlands |
rugged land surface of steep slopes, resembling miniature mountains, developed intense erosion |
| Barometer |
instrument for measurement of atmospheric pressure
|
| Barrier Island |
long, narrow island, built largely of beach sand, parallel with the mainland and separated from it by a lagoon
|
| Barrier Reef |
coral reef separated from mainland shoreline by a lagoon
|
| Barrier-Island Coast |
coastline with a zone of shallow water offshore shut off from the ocean by a barrier island
|
| Bay |
a body of water sheltered from strong wave action
|
| Beach |
thick, wedge-shaped accumulation of sand, gravel, or cobbles in the zone of breaking waves
|
| Bedrock |
solid rock relatively unchanged by weather processes
|
| Biodiversity |
the variety of biological life on Earth or within a region
|
| Biogeography |
the study of the distributions of organisms, as well as the processes that produce these distribution patterns
|
| Biome |
total assemblage of plant and animal life interacting within the life layer
|
| Biosphere |
all living organisms of the Earth and the environments with which they interact
|
| Bluffs |
steely rising ground slopes marking the outer limits of a floodplain
|
| Bog |
a shallow depression filled with organic matter
|
| Butte |
prominent, steep-sided hill or peak, often representing a resistant layer of rock
|
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