if it is harmful to the common good..
The person who wrote that evidently thought that religion is harmful for humans - that it enslaves them.
"More harmful" and "most harmful." We would not use the -er and -est suffixes on the -ful which is already a suffix.
the most harmful is carbon dioxide.
more harmful, most harmful
Refrigerants are harmful. But the most harmful are CFC's.
Virus is most harmful
Many fumes are harmful in fact most fumes are harmful. There are many type of fumes and most of them are harmful but they can be filtered and cleansed to stop them harming th eenvironment
Openminded, but against Organised Religion.
According to my lifespan development book, its tobacco. (most harmful to a fetus)
The Catholic Religion is the most common religion in Peru.
The religion with the most flexible rules is the religion where the only question asked is "what is the religion with the most flexible rules?" and the questions "what religion is true?" or "what religion will grant salvation?" are ignored.