TASK DEFINITION: In this task, you need to write a topic word from the given fact. The topic word must have at least one word overlap with the given fact. The topic word often involves adding a new word from a related concept. In your topic word, use at least one word from the given fact. Topic words with two or more words work best.
PROBLEM: Fact: planting trees has a positive impact on an ecosystem.

SOLUTION: an ecosystem.

PROBLEM: Fact: All animals are heterotrophs.

SOLUTION: All animals are heterotrophs.

PROBLEM: Fact: a delta is formed by deposition of sediment at the mouth of a river by water fanning out.

SOLUTION:
delta greek.