It can explain and record like journalism, and it can be a polemic, like a pamphlet.
It can explain why a virus attacks only certain species and invades certain types of cells.
It can explain the motivation of an otherwise extraordinary action – something that might appear out of character, there only to further the plot.
It can explain the decrease of base flow.
It can explain the reason why the ablation is often detected in the small caliber railgun.
It can explain decompensation in a postpartum woman with critical MS as follows.
It can explain the occurrence of the roughness induced crack closure far behind the fatigue crack tip.
It can explain neither election, an agent's determination to an action, nor approbation, the spectator's evaluation of an action.
It can explain by the high incidence of the infectious pathologies associated with a high oncogene risk (hepatitis, HIV, Helicobacter...) but also by national and international prevention policies still too much reduced.
It can explain the P cytotype establishment by telomeric P elements in natural Drosophila populations.
It can explain only some aspects of that problem, for example, variations in biochemical components between leaves and heterotrophic organs, or seasonal variations in δC values of leaves and heterotrophic tissues, or daily variations of growth substrate (sucrose), etc. [ 31].
