Which would be considered common knowledge?
the cost of the space program
the names of planets
the theories of space scientists
the lyrics to a song
18.
is the statement true or false?
a website that ends in .com is probably not a good site for research.
false
true
19. is the statement true or false?
since almost anyone can create a website, the information you find on the internet is always reliable.
true
false

In broad terms, common knowledge refers to any information that even the average, educated reader would likely accept as extensively reliable without doing research. For example, the name of planets is information that most people know. We can consider this knowledge as a bit ephemeral. Name of the planets is knowledge acquired when most people were growing up and is the kind of knowledge that most people should have.  

True.  

.com websites are generally written with skewed facts, and beliefs. Most company websites end in .com and information on this domain may be biased and non-credible.  The best sites for research are .edu and .gov.  .edu is a website by an educational group and any information from this domain is always examined very carefully. Such information can generally be taken seriously .gov states the facts of history and information within this domain should be considered as credible.

False.

As much as the internet is of prime importance in our lives, it is an abode of bad, evil, or disaster. Internet serves the best when we hit the right buttons and choose the right paths. Reliability and trustworthiness on the internet are interdependent on each other. Only when we find something reliable is when we start building ourselves from it. However, not everything on the internet is credible. Information on the internet is sometimes not regulated for accuracy and quality and it is always recommended to evaluate the resource of information.