Sentence examples for and it is difficult to pinpoint from inspiring English sources

Dietary studies can be unreliable, since so many complicating factors can influence results, and it is difficult to pinpoint cause and effect.

All of the above mentioned studies were carried out on the crude extracts and it is difficult to pinpoint the active antimicrobial metabolite.

The other areas identified contain several genes, and it is difficult to pinpoint more accurately the specific gene or region that causes the observed clustering pattern, which could suggest some selective pressure over it.

It is difficult to pinpoint the birth of "going forward".

But beyond that, it is difficult to pinpoint.

It is difficult to pinpoint who these forces are, but they seem to be everywhere".

Still others say it is difficult to pinpoint precisely what went wrong.

So it is difficult to pinpoint how effective the campaign was.

It is difficult to pinpoint why Touré has not hit the level of last season.

It is difficult to pinpoint which ingredients contribute to approval of a parcel tax.

Many experts on the issue acknowledge that it is difficult to pinpoint the origins of attacks.