Are essays modern inventions?

What is the greatest invention of all time?  

Throughout time there have been lots of new inventions which have both hindered and helped everyday life with humans. There are many different possible world’s greatest inventions because they have all helped out humankind in some way, some more than others.  

I think that the greatest invention of all time is Harnessed Electricity. Some may argue that this was not an invention it was a discovery but although electricity itself was a discovery there was still the invention of had to use it and what it could be used for. I think that electricity is very important to human life because it would be nearly impossible to do anything we do today. If we didn’t have electricity a lot of things would …show more content…  

I believe that the use of electricity in healthcare is more important than the use of penicillin because of the x-rays, MRI scans, life support machines, cat scans, ultrasound, surgery lighting, heart rate monitors, incubators and loads of other much needed specialist equipment. This equipment has over the years helped to save millions of lives and although penicillin helps to treat the odd few illnesses it doesn’t help to run a well equipped hospital which saves even more lives with the billions of people who visit a hospital every year.

Explanation:

none because there is no words that describe a noun and give a mood

i think it may be b, i'm not exactly too sure on this. but b seems to make more sense.