Modern farming techniques have three advantages and disadvantages. Crop yields are increased.
Allows crop productivity to keep up with population growth while making crops disease-prone.
<h3>What impact does modern agriculture have on environment?</h3>
Agriculture contributes to a lot of wider environmental challenges that degrade the ecosystem, such as climate change.
Deforestation dead zones and biodiversity loss irrigation issues caused by genetic engineering pollution, trash, and soil deterioration
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They had pledge to fight with other countries
D white settlers I’m pretty sure the railroad hired Chinese immigrants Irish and freed slaves (google stated that California railroad company’s hired these people) this makes sense Any way because there were so many Irish, freed slaves and Chinese immigrants it would make sense to give them that job so D white settlers sorry that took so long this is my first time answering people’s questions wanted to get it right so the answer is d
Weather, local tribes such as local Indians, and viruses
