Question

in the prairies, machines have almost replaced manual labor explain

Answer 1

Prairies are ecosystems considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and a composition of grasses, herbs, and shrubs, rather than trees, as the dominant vegetation type.

They use modern tools and machinely which reduces man work and increase efficiency which makes it a over dominant grasslands of all  types

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