Sentence examples for how do we know how from inspiring English sources

Even when they make those pledges how do we know how much is going to materialise?

How do we know how tall people were in other centuries?

But still countries hesitated: how do we know how to judge full cooperation?

How do we know how much ash an engine can cope with?

Given that using illegal drugs is, well, illegal, and drug dealers do not publish accounts, how do we know how much people are really taking?One way is simply to ask them.

But how do we know how to help each individual unless we ask?

How did we know how to shoot a basketball or shake hands properly?

Nor do we know how much went to Switzerland, how much stayed there or and how much went on across the Channel or the Atlantic.

There's a lot of advice given about how to maintain a healthy body, but do we know how to maintain a healthy brain and prevent dementia?

Let alone do we know how to deal with actual consequences: how to tourniquet catastrophic bleeds, or make fires, or hunt fish. .

Second, while isolated salmonid populations can persist [14], except for inbreeding depression in isolated populations [15], we do not know how isolation affects population vital rates, nor do we know how these effects contribute to population persistence.