A cup of anything is a measure of volume.
Probably the pound.
The possessive form for the singular noun lettuce is lettuce's.
romaine lettuce is different because it is much fresher than reg lettuce.
The noun lettuce has varied usage in the plural. Traditionally the usage is "three heads of lettuce", but the alternative "three lettuces" has become very common during the last century. The collective noun is always "I like lettuce" or "this farmer grows lettuce".
Lettuce is a noun.
No, lettuce has leaves.
lettuce with butter on it
Lettuce
It varies greatly with the type of tomato, and their water content. A bushel is not a fixed weight, but a measurement of volume. However the Georgia Farm Bureau suggests that half a bushel of tomatoes would weigh about 26 pounds (12 kg).
Iceberg lettuce is quite delicious.
According to US FDA/CFSAN, the pH of lettuce is as follows: Lettuce 5.80 - 6.15 Lettuce, Boston 5.89 - 6.05 Lettuce, Iceberg 5.70 - 6.13 hope that'll help =)
Yes, lettuce does have fruits but the part of the lettuce that we consume is the leaves. However, for the fruit of the lettuce plant to be classified a citrus fruit, it must have citric acid. Since it does not, it is not a citrus fruit.