Fix grammar errors in this sentence: Moreover, some of the research and development are not only beneficial to the economy but is also environmentally friendly.
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The new technology is a great help in the development of the country.
- The new technology is a great help in the development of the country.
- The new technology is a great help in the development of the country.
- The new technology is a great help in the development of the country.
- The new technology is a great help in the development of the country.
- The new technology is a great help in the development of the country.
- The new technology is