Science lol ___ allows for both the tillage of green manure and a decrease in disease.
Center-pivot irrigation
Crop rotation
The green revolution
Integrated pest management

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.

b because they naturally adapt to their environment plz mark brainliest

explanation:

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