In designing a web to narrow your topic, which would appear in the center circle of the web

The subject or topic you want to discuss would appear in the center circle of the web.

Explanation:

Webbing is a commonly used tool to help someone begin the writing process or a research assignment. It is a brainstorming method that provides structure for ideas and facts especially in narrowing down a broad topic or subject. Brainstorming webs provide students with a flexible framework for idea development, organizing and prioritizing information.

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation: