Please Help it would help me out alot.

Answer:
Laura Dekker became the youngest person to sail solo around the world.
After sailing more than 2700 nautical miles
I do not know this one. Sorry!
Explanation:
Answer: Subordinate clause
A conjunction is a word, or words, used to connect two clauses together. Words such as: 'although', 'because' or 'when' .
Indepndent clause
An independant clause expresses a complete thought an can stand by itself as a sentence.For example; For the first time, I am scared of what will happen.
I am scared for what will happen is a independent clause.
Dependent clause
A dependent clause does not express a complete thought.For example; When the airplane lands we will get of it. When the airplane lands is a dependent clause
Explanation:
Im sorry I don't really understand the question but i hope this helps a bit