:correct this introduction for me, i have a writing exam tomorrow about television ! correct for me : mechanics, structure, grammar mistakes,
since the existence of humanity on earth, human beings struggle to prove themselves to be true. it's true that humanity has seen a succession of crises, wars and atrocities, but this negative side is offset by advances in technology and cultural exchanges, and nowadays, it has become appallingly obvious that our technology has exceeded our humanity. furthermore, they intended to invent new things, such as tv. like many other electronic devices, tv present benefits and nuisances. what can they be? !
for your !

Ever since the existence of humanity on Earth, human beings struggle to prove themselves to be true. It is believed that humanity has seen a succession of crises, wars and atrocities. However, this negative side is offset by advances in technology and cultural exchange. Nowadays, it has become appallingly obvious that technology has exceeded humanity. Furthermore, intentions are to invent new machines such as Television. Like many other electronic devices, TV presents benefits and nuisances. What can they be?

(I jazzed it up a bit in some places, hope this helps)

provide the full question .

she needs to add a conclusion summing up the entire essay along with an ending sentence to complete it all nicely.