The answer to your question is ISYS
Answer:
c. selection list.
Explanation:
A selection list is created using the select and option elements that present users with a group of predefined possible values for the data field.
In Computer programming, the selection list is used to avail the end users with the ability to engage in an operation such as a predefined possible values for the data field.
The three default components listed in the inspector view of a terrain assets are: Terrain, Terrian Collider and Texture.
So the answer is Transform.
If you use the Move tool then click and drag an object while holding CTRL and Shift at the same time, it will snap the object to intersection points of the Collider; allowing stacking of objects automatically.
So the answer is Stack objects automatically.