Emma sings into a microphone. the sound is transferred from the microphone to a loudspeaker that is plugged into the wall. her voice comes out of the loudspeaker and sounds much louder than before. in this system, sound energy is being transformed into energy and then back into energy

Plz genetic engineering can be applied to many fields including medicine and agriculture. which of the following is a medical application of genetic engineering? a. giving crop plants recombinant dna so that they would be resistant to herbicides. b. examining a persons pedigree to determine whether they can carry a gene for a genetic disease. c. analyzing a persons dna to see how closely they are related to another person. d. certain genes into bacteria so that they will produce a needed medicine.