yes just remember the softer the better on the liner and on your feet
Yes by putting an even layer of sand down you will protect the liner from the irregularity's in the ground and absorb impact from above.
That is most commonly referred to as " washed sand " also float sand , or mortar sand ,it has no stone or stone chips that will damage or stain the liner.
under ground
Cabbages grow above ground
No the amount of weight exerted on the liner of even a litle water makes this imposible to do.
No, they are under water but not under ground. There is no ground above them.
You don't necessarily NEED padding under the pool, but it will protect the liner from chaffing and make it last longer. If you ever jump in and hit the bottom, you'll be much happier it's there.
sunflowers grow above ground .
They grow above the ground. On a tree. Have a look at Wikipedia.
If it is under the pool liner then logic dictates you have to empyty the pool and remove the liner. Then replace the vermiculite with whatever eles you want to use as padding
It depends if you under ground Or above ground because you can follow Where you dug if your above ground you can't
Below ground.