Sustainable farming A. uses fewer chemicals but more water than conventional methods. B. is safe, although it causes weed problems. C. is an invention of modern agricultural research. D. is cheaper and safer than conventional farming. E. is safer than conventional farming, but much more expensive.

Sustainable farming is cheaper and safer than conventional farming.

Option: D

Explanation:

A form of agriculture where farming emphasizes on raising long-term crops and livestock, while having limited environmental impacts, target sustaining agricultural economic security and supporting peasants develop their methods and standard of living, understood as the Sustainable farming.

In sustainable farming a very good illustration of conservation will be crop residue or animal manure. The same could be converted into fertilizers which can continue to improve the soil. Rainwater harvesting through channeling and then its use for irrigation is also a perfect instance of sustainable agricultural practices.

the answer is d. chordata

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