Sentence examples for for these differences from inspiring English sources

If our sleep patterns differ, what could be the basis for these differences?

What accounts for these differences?

The reason for these differences is clear.

But the study adjusted for these differences.

Adjusting for these differences is difficult and controversial.

There is a simple explanation for these differences.

We don't have great explanations for these differences.

But what would account for these differences in kind?

Possible reasons for these differences are discussed.

Environmental interaction contributes for these differences.

What might account for these differences?