[hereme888]

You don't need to study if grass is green or water is wet, but you're welcome to study why.

[viraptor]

If you don't question the basics, you will miss they grass is not always green, depending on environment https://www.australianplantsonline.com.au/imperata-rubra-jap... https://www.oztrees.com.au/product/austrostipa-scabra/ So yes, sometimes you need to study that before assuming that what you usually see is natural rather than shaped.

[hereme888]

Adults should have the ability to understand abstract examples. Of course I've been outdoors and observed the grass is literally not always green.