The sentence that is correctly construed with an independent clause and a dependent clause is A) As they examined the evidence afresh, they thought of a completely different explanation.
The other sentences don't have dependent clauses, only phrases.
Answer:
I think it's the relevant information that supports an argument or the opposing argument to the main viewpoint.
'over the summer...' is right
Answer:
The answer will be c or d but c seems to be the more logical because it is talking about the minutes spent waiting but then again the other one d talks about nothing else was in his mind but that time and that is also spoken of
At Jundi Shapur the best scholars west of China all gathered to think and study together. By the 600s, the doctors at the school were writing about a medicine from India named sharkara or, as the Persians called it, shaker—sugar. Indeed, scholars at Jundi Shapur invented new and better ways to refine cane into sugar.