Question

natural biomes once covered nearly all of the land of the us. how has the land of the us changed today?
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nearly all of the land is now covered by anthromes, or human - altered biomes
about 1/2 of the land is now covered by anthromes, or human - altered biomes
human activities have removed plant life from about 1/2 the land
human activities have removed wildlife from about 1/2 of the land

Explanation:

Anthromes are human - altered biomes. Human activities have a significant impact on land cover. If nearly all of the land was once natural biome and now, considering the options:

• The statement “nearly all of the land is now covered by anthromes, or human - altered biomes” is an over - exaggeration as natural biomes still exist in some protected areas etc.
• “human activities have removed plant life from about 1/2 the land” is not the most accurate description of the overall land - use change in terms of biome alteration.
• “human activities have removed wildlife from about 1/2 of the land” is also not the key aspect related to biome (which is more about plant - based ecosystems in a broad sense) alteration description.
• “about 1/2 of the land is now covered by anthromes, or human - altered biomes” is a more reasonable approximation considering the large - scale human land uses like urbanization, agriculture etc. which have converted significant portions of natural biomes to anthromes.

Answer:

about 1/2 of the land is now covered by anthromes, or human - altered biomes