TASK DEFINITION: In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.
PROBLEM: Question: What kind of system do echinoderms possess? Answer: water-based circulatory

SOLUTION: Echinoderms possess a water-based circulatory system.

PROBLEM: Question: Acids are molecular compounds that dissolve in water to produce hydronium ions and what else? Answer: an anion

SOLUTION: Acids are molecular compounds that dissolve in water to produce hydronium ions and an anion else.

PROBLEM: Question: What creates wet and dry zones at different latitudes? Answer: global air currents

SOLUTION:
Global air currents creates wet and dry zones at different latitudes.