Inarticulate means not clear
Answer:
sea otters eat clams, crabs, and snails.
Central idea is also known as main idea. Definition: The central idea (main idea) in a piece of writing is the point that the author wants you to remember most. Some writers may state the main idea, but it is often implied, which means the reader has to make inferences (what the text says + what I know) about it.
Achilles wants to kill hector to avenge the death of his bestfriend patroclus