The indefinite article should never be used with the word ‘glasses’ as it is a pair noun. The above should read ‘glasses’, not ‘a glasses’.
Food is usually an uncountable noun. However, food can be countable when referring to type (3.1 Exception #1). In the featured picture, Global Pet Foods uses the word ‘food’ as a countable noun to signify that they sell many types of food, that they have a wide selection of it.
The indefinite article should never be used with the word ‘money‘ as it is an uncountable noun. The following sentences should read: Give me money. Give money to me.
Turkey is usually uncountable as it is considered to be a material. However, turkey can be counted when referring to one entire turkey.
Many students find generalizing in the plural difficult. The text should read: I like tigers because they are fast and strong. I don’t like dogs because they are dangerous.