no, or else it wont be a fact
You can have more than one simple subject in a sentence
it can
they all have more than one sidethey have more than one sidessquarehexagonheptagonoctagonnonagondecagon
there was more than one transcontinental railroad. in fact there was 5 of them
No. This is a sentence with only one word: "Go."
yes.
When there is more than one verb in a sentence, it is called a compound verb. Each verb in a compound verb has its own subject and contributes to the overall meaning of the sentence.
It depends on how many USB slots you have. If you do in fact have more than one, that yes you can have more than one USB in at a time.
the sentence covers more than one time period.
Yes, a thesis can have more than one sentence. It is common for a thesis to be a complex sentence, comprised of multiple clauses, to fully articulate the main argument of an academic paper.
one .
to show that their is more than one.