It depends on the type of lettuce. If it is a cut and come again type they do not heart up and you only pick the leaves you need. If it is a butterhead type, when the head starts to fill out feel it gently, if it feels quite firm it is ready, leave it too long and it will shoot.
a head of lettuce cost about $2.99 at walmart.
Yes it is. Plural: Heads of lettuce Singular: Head of lettuce
Lettuce
1 full head of lettuce is between 40 and 60 calories.
0.95
The lettuce was a head and the tomato was trying to ketchup
From Sunlight.
36 leaves on average
A firm head of lettuce is generally considered better than a soft head because it indicates freshness and quality. Firm lettuce is usually crisper, which enhances its texture and flavor in salads and other dishes. Soft lettuce may be a sign of wilting or spoilage, potentially affecting its taste and nutritional value. Therefore, it's best to choose firm lettuce for optimal freshness and enjoyment.
anywhere from 2-6 dollars
Yes, because air is what causes it to go bad so a head of lettuce is exposed ot less air than shredded lettuce is so it will stay fresh longer.
No, a head of lettuce is not chemical potential energy. Chemical potential energy refers to the energy stored in the bonds of molecules, while lettuce is a physical object made up of various molecules.