Designs of sampling to detect impacts are, however, complex because of natural spatial and temporal variability and the intrinsic nature of the statistical interactions which define impacts.
But this is not because of natural water scarcity.
But mostly this will be because of natural talent or dubious outside help.
The data suggest that NICU beds may not be proliferating because of natural demand alone.
Living creatures are as they are because of natural selection, not "colouring technique".
Mr. Shugert said the ornament did not fall because of the blasting but because of natural deterioration.
There was another big problem: Philip's left eye was missing, possibly because of natural flaking or vandalism.
The average tenure of a partner is about eight years, in part because of natural attrition and retirements.
If a mutation helped bacteria thrive in this new environment, it might become more common because of natural selection.
Some children are better able to adapt, whether because of natural resilience, more supportive parenting or the age at which disruptions occurred.
David J. Frizell, Metuchen's lawyer, said the rail shipments would be hazardous because of natural gas pipelines buried along the right of way.
