I would say 1 and 4 are the best answers. GMO crops are clones (genetically identical) so it reduces the genetic diversity making crops susceptible to new diseases.
internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.
Answer:
approximately 4.5 billion years ago
Explanation:
It’s C because they took out the letter A from the new strand of DNA. btw deletion means to take away and substitution means to sub in a letter. hope that helped!
