Learn English – question with modal verbs and do/does

Declarative statements use "there are":

There are some clouds in the sky.

Questions reverse the order:

Are there some clouds in the sky?

In sentences such as "Do you know how many apples there are?" the phrase "how many apples there are" is not a question itself, it is a subordinate noun clause. The word order reversal comes in at "Do you know" (where a declarative statement would say "You do know").

Think of information as if it were honey, the sweet substance bees produce, not the synonym for "nice person" or "sweetheart". Also think of it in its flowing state, not crystallized.

How many honey does the recipe call for? ^{ungrammatical}

How much honey does the recipe call for? ^grammatical

How many informations on your web browsing habits does Google collect? ^{ungrammatical}

How much information on your web browsing habits does Google collect? ^grammatical

An amount is an unspecified quantity. For that reason we cannot ask How many amounts...? because nobody knows the size of the amount. And when you add amounts together, they simply become a larger amount. An amount has no size until it is modified, for example "a small amount" or "a large amount", and even then the size is relative and vague.