What are the advantages and disadvantages of genetic engineering?

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Number and variety of living organisms includes genetic, species, and ecological types

9. the history of life on earth is recorded in