In this sentence the proper noun is B California.
A supporting detail is used to validate a claim to prove that the claim is indeed true.
A claim on the other hand is a statement made by an author about something which can either be true or false.
Let me give you an example of a claim and how supporting details can be used:
- All tall boys are smarter than shorter boys
- America has a population of 30 million people
- The Earth is round
Now, because i made these claims, i have to provide supporting details to backup this claim.
To do this, i would have to bring reputable sources which contains the figures which would be my supporting details.
I could bring the population figures from an independent reliable source to prove that America indeed has a population of 30 million people.
Please note that your question is incomplete which made me to give you a general overview so that you can understand the concept.
Read more here:
brainly.com/question/9070383
The three main genres are: poetry, drama, and prose.
Hope this helps :)
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