Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[Q]: Constructive forces type of forces are involved when deposited rock forms deltas or barrier islands.
[A]: What type of forces are involved when deposited rock forms deltas or barrier islands?


[Q]: Water plus other substances makes a(n) solution.
[A]: Water plus other substances makes what?


[Q]: Damage through pushing is the root cap continuously replaced in plants.
[A]:
Why is the root cap continuously replaced in plants?