Answer: Vaccines- The history
Explanation: Vaccines are shots of medicine that are used to prevent someone from catching a strain or virus. They are used worldwide, and are given to mostly children and elderly, to protect their immune systems.
What is the history of vaccines? The first vaccine was developed in 1796 by Edward Jenner. He made it to find a cure to smallpox. He tested it on a 13-year-old infected with smallpox, and the boy later showed immunity to smallpox. In 1798, the smallpox vaccine was first released to the public.
Sorry if it wasn't as much as you wanted, I don't have much time
Answer: Engine
Explanation: Wires, circuits and engines are all part of a car, which makes these four things all connected to each other.
Once upon a time when i was getting out from my home, without a place else to go, i was walking on the street, when i saw a blackbird under a tree; its wings were a little wounded, maybe he fought with another bird, it is perhaps the need to heal the little bird which give me a little bit of hope, and it does...When the blackbird was finally cured, hold me from my jacket and fly away with me, giving me a real sense of life: go to everywhere, and finally see the world is more that four walls and a door.
Another 'word' for voice in writing is 'tone'
The correct answer is:
the writer's unique and personal style of expression
