Sentence examples for extremely difficult to evidence from inspiring English sources

Recent analysis based on NGS data (Fraïsse et al. 2015) revealed that deep sampling of the neutral fraction of the genome does not reveal a clear genetic structure between the two populations and that local adaptation is either extremely rare or extremely difficult to evidence (Gosset et al. 2014).

Without this information, it is extremely difficult to develop evidence-based answers to tough questions.

Hanging is extremely difficult to prevent, as evidenced by the fact that even prisoners manage it.

They point to evidence, extremely difficult to confirm, of increased rates of cancer and birth defects in the region around the plant.

"We find it extremely difficult to comprehend how the evidence that was so carefully developed and presented in the first hearing was valid, yet how it now seems to carry a slight chance it will become irrelevant," Stephanie Kercher said in the letter.

"Obviously it is a great deal more difficult to do that with any accuracy, but that of course should set off warning bells as to whether or not one should use as serious a penalty as loss of citizenship in an environment where it is extremely difficult to get accurate information or evidence," she said.

Nevertheless, it remains extremely difficult to make mergers work.There is some evidence to suggest that companies are becoming better at it.

Literature review evidences that it is extremely difficult to conjure up an accurate picture of the usage of Enterprise 2.0 due to the dynamic nature of the Web 2.0 coupled with the reluctance of the researchers to differentiate between internal and external usage of Web 2.0 tools.

If it is a human rights claim or a family-based one, the evidence will be in the UK – and thus extremely difficult to gather from abroad.

I found that extremely difficult to overcome".

It is extremely difficult to manufacture.