Which of these cells of the dermal tissue of plants prevent water loss and control gas exchange

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

and after water is usually warmed by the sun the water temperature raises and then evaporates .