I need help figuring out the main idea and two supporting details. “We’re in the midst of a bionic revolution, yet most of us don’t know it.
Around 220,000 people worldwide already walk around with cochlear implants- devices worn around the ear that turn sound waves into electrical impulses shunted directly into the auditory nerve.
Tens of thousands of people have been implanted with deep brain stimulators, devices that send an electrode tunneling several inches in the brain. Deep brain stimulators are used to control…”

What is the main idea of these opening paragraphs?

What are at least two supporting details?

Which revision best removes the informal language from this passage? (1) you should totally hire me to be your front deskreceptionist at your veterinary clinic because i loveanimals. (2) not only have l owned a wide array of pets, have also volunteered for three years at the crater valleyanimal shelter. (3) this experience would allow me to customers keep their animals calm and controlled whilethey wait for their appointments. oa. change only sentence 3 to 'this experience would allow me to customers keep their animals in an appropriate state ofanticipation while awaiting their appointments. ob. there is no informal language, so no change is necessary. oc. change only sentence 2 to not only have i owned a wide array ofpets, i have also volunteered for two years at the crater valleyanimal shelterod. change only sentence to believe that have the potential tosucceed as a receptionist formour veterinary office because i loveanimals