lettuce
Lemons and limes both grow from trees.
yes lemons do grow in madagascar
They grow on trees.
Lemons grow on trees. As well do plums, apples, bananas, pears, grapefruit, and oranges.
On a tree.
NO! you will kill the lettuce.
No, lettuce is a seed vegetable.
underground.
You can't 'make' lemons, they are citrus fruits which grow on Lemon Trees.
No, lettuce grows above the ground. Lettuce needs light to grow.
How long it takes for lettuce to grow mold depends upon the conditions it is stored in. If the lettuce is stored in humid or damp conditions, it will grow mold in a few days.
Lemons of course.