This could be one of two things, I need a bit more information, but perhaps you can decide.
Drip irrigation otherwise called trickle irrigation delivers water using tubes and emitters to the base of the plant. Subsurface irrigation uses a combination of tubes and emitters and is buried under ground. Good luck
I’m not sure what this question exactly means but it could be anything ig
Put your lettuce into a nice big bowl, and drape a paper towel or two over the top so moisture doesn't settle on the leaves while your salad sits in the fridge. Cover the whole thing with a really tight seal of plastic wrap, and store.
Mark me brainliest if u think the answer I good