Both seta and cheta or chaete means bristles. I think the term can be used interchangeably . Just check this link:- http://en.wikipedia.org/wiki/Polychaete It about polychaetes a class of annelid worms. These are extracts form the passage:- Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called *chaetae, which are made of chitin. Indeed, polychaetes are sometimes referred to as bristle worms. Bundles of bristles, called *setae, project from the parapodia. http://en.wikipedia.org/wiki/File:Polychaeta_anatomy_en.svg Thats a cross section the terms have been used interchangebly.
Los productos del petróleo son materiales derivados del petróleo crudo procesado en las refinerías de petróleo. A diferencia de los petroquímicos, que son una colección de compuestos químicos generalmente puros bien definidos, los productos del petróleo son mezclas complejas.
Answer: D
Explanation: when gasoline is burned by the car, it releases gas which pollutes the air.
Deoxyribose sugar and phosphate group
Are nucleotides
That would be false because rocks are sediments.
