Ensure that the Inspect Ski Lifts task must be completed before the Groom Slopes task can begin.

Answer: See the explanation.

Explanation:
Step 1: Click Tasks
Step 2: Locate the select the Groom Slopes task.

Step 3: Click the Edit Item button.
Step 4: Set the Predecessors field to: Inspect Ski Lifts.
Note: You use a Gantt chart in project management as a way to visually show the sequence of tasks
in a project along a horizontal timeline.
Project Tasks List