The topic sentence is usually always in the first sentence of a paragraph. If you are meaning the book or any representations of the novel
Answer:
The real existence of Scotland's Loch Ness monster has been neither proved nor disproved, but an inquiry into the history of the legend,past expeditions to Loch Ness, and discoveries made by the explorers to the area continue to arouse interest in the validity of the monsters existence.
Before the test we have studied enough to pass it.
Answer:
This is a dependent clause.
Explanation:
A dependent clause is a group of words that contains a subject and verb but does not express a complete thought. A dependent clause cannot be a sentence.
"In his first year in the White House" does not express a complete thought, making it a dependent clause.
Explanation:
Radio Waves -- The waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency are called radio waves.