Sentence examples for caused by a combination from inspiring English sources

We found that our problems were caused by a combination of factors.

Both were caused by a combination of mechanical failures and human error.

The differences are caused by a combination of political calculation and personality clashes.

All were caused by a combination of design defects and operator errors.

The new charge resulted in "a billing error caused by a combination of system issues," he said in a statement.

She suffers from vitiligo, a skin disease that some believe is caused by a combination of genetic and environmental factors.

Why it matters: Colony collapse disorder is caused by a combination of factors – parasites, agricultural chemicals and poor nutrition.

"The uncertainty is caused by a combination of both positive and negative factors," he said in a statement.

The primary headaches are caused by a combination of genetic and environmental factors.

Migraine is a complex disorder caused by a combination of genetic and environmental factors.

The occurrence of errors is caused by a combination of human factors and system factors [46].