In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

In the first clause, in which “Does”, is simply part of the negation, and is used in the second clause to emphasize the fact that there’s a distinction between dry and

moist air.

The sentences seem to be perfectly correct except for the commas. What you have after the comma is necessary to the construction, so use: “Is it more difficult the larger the number is?” or “Do the workers get happier the higher their salaries are?” “Does the largeness of the number affect the difficulty? Are workers happier when their salaries are higher? ”

“Thank you.”