Question

which are uses of lasers? check all that apply. scanning barcodes transmitting telephone and internet signals examining internal body parts cutting through metals, ceramics, plastics, and cloth correcting vision problems

Explanation:

Lasers are used in barcode - scanners to read barcodes. They are used in fiber - optic communication to transmit telephone and Internet signals. In medicine, they are used for endoscopy to examine internal body parts, for laser surgery to cut through various materials and to correct vision problems like LASIK.

Answer:

scanning barcodes, transmitting telephone and Internet signals, examining internal body parts, cutting through metals, ceramics, plastics, and cloth, correcting vision problems