Simple: We will go to the park then lunch.
Simple sentences follow a simple structure with Subject then verb. There is only one subject and one verb phrase to create a complete idea.
Compound: Let's go to the park first, and then we'll go to lunch.
A compound sentence combines two complete ideas into one sentence using either a semicolon or a comma with a conjunction. In this compound sentence the comma and conjunction "and" join the two complete ideas together.
Complex: After we go to the park, let's go to lunch.
This is a complex sentence. A complex sentence contains a dependent clause, "After we go to the park", and and independent clause, "let's go to lunch".
Compound complex: Let's go to the park first, and then we'll go to lunch since we'll be hungry.
A compound complex sentence contains both a compound sentence and a dependent clause. In this sentence the dependent clause is "since we'll be hungry". It was added to the compound sentence answer.
The answer would be A. Acknowledging British authority helped keep social Order on the boat.
Answer:
The answer would be A.
Because a decade is 10 years there for the only option that would be correct would be A.
a DIAGRAM would be the best option as he can explain each animals food habits. (An image can also be used if he doesn't want to explain, but diagram is better)
DIAGRAM