Batman is a hero and he saves the city from a lot of criminals.
There was a meteor shower, yet the crew did not know how to avoid the meteors.
Gillian did not like to read and she was not very good at it.
A because there is a name with a apostrophe s in front of it meaning that there is ownership.
Kills all viruses and bacteria except their spores: high
kills most types of bacteria and viruses: intermediate
kills fewer types of batteries and viruses: low
It would be C, "is" if you say any of the other ones with that sentence it sounds silly.