The noun 'lettuce' is an uncountable noun as a word for a food substance.
Units of lettuce are expressed by using a partitive noun(also called a noun counter) is a noun to count or quantify an uncountable noun; for example, heads of lettuce or leaves of lettuce.
The plural noun 'lettuces' is a word for 'type of' or 'kinds of' lettuce; for example, "The lettuces we grow are romaine and endive."
The noun lettuce is an uncountable noun as a word for a food substance.Units of lettuce are expressed by using a partitive noun(also called a noun counter) is a noun to count or quantify an uncountable noun; for example, heads of lettuce or leaves of lettuce.The plural noun 'lettuces' is a word for 'type of' or 'kinds of' lettuce; for example, "The lettuces we grow are romaine and endive."
countable
countable
The noun 'hill' is a countable noun. The plural form is 'hills'.
cookies are countable unless you have brain problems
countable
Shark is a countable noun.
Duck as an animal is countable, but if you mean the meat it is uncountable.
Prawn - prawns is the plural - is a countable noun
few is countable
countable
Countable