Answer: Problem / Solution
Explanation: This is problem and solution because the problem is that tigers are disappearing and going extinct at an alarming rate. Dr. Miller thinks of a solution and that is to write to congress and let them know that we demand the preservation of this species, or donate to Save the Tigers, which will help to support and empower those who are fighting the hardest to preserve the tigers.
The correct answer is D. A prepositional phrase means that it starts with a preposition. And in these examples, D is the only one that starts with a preposition "on".
A reliable source is a document!
Depending on the sentence content, there are four ways to puncuate a compound sentence with two independent clauses -
Use a semicolon
Use a semicolon and a transition word (however, therefore)
Use a colon
Use a comma and coordinating conjunction (and, but, for)
A sonnet has 14 lines and is written in iambic pentameter, each line with ten syllables.