MUCH or MANY 

Countable nouns are nouns that can be easily counted

Uncountable nouns are nouns which cannot be counted such as liquid (water, wine), abstract ideas such as homework and advise.

The word much we use with uncountable nouns:

For example:

• I drink too much water


• We use MANY with countable nouns... I have many cars (more than 1)

Click here to watch an interesting video relevant to this issue.