66:@0.057273:0.966074:0.076087:0.966074:0.076087:0.949450:0.057273:0.949450:0.000000:0.000000
Infografía:@0.127346:0.096416:0.282912:0.096416:0.282912:0.062615:0.127346:0.062615:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
  ¿Cómo se forma el petróleo?:@0.320034:0.140026:0.682339:0.140026:0.682339:0.113906:0.320034:0.113906:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
El petróleo es una sustancia combustible negra y viscosa,  :@0.207072:0.193887:0.749709:0.193887:0.749709:0.173914:0.207072:0.173914:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
líquida, a temperatura y presión normales. :@0.275259:0.213501:0.677016:0.213501:0.677016:0.193528:0.275259:0.193528:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Se origina por la descomposición de restos de seres vivos producida  :@0.156111:0.240241:0.800691:0.240241:0.800691:0.220268:0.156111:0.220268:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
por la acción de microorganismos, por el incremento de la temperatura,  :@0.138820:0.259855:0.816881:0.259855:0.816881:0.239882:0.138820:0.239882:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
por enterramiento y el paso de millones de años.:@0.246033:0.279469:0.701760:0.279469:0.701760:0.259496:0.246033:0.259496:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Pequeños organismos marinos:@0.392007:0.347135:0.638886:0.347135:0.638886:0.330040:0.392007:0.330040:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Plantas :@0.521429:0.546276:0.582763:0.546276:0.582763:0.529182:0.521429:0.529182:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
marinas:@0.515097:0.564381:0.578361:0.564381:0.578361:0.547287:0.515097:0.547287:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Arena y :@0.459633:0.595733:0.524404:0.595733:0.524404:0.578639:0.459633:0.578639:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
sedimentos:@0.459633:0.613838:0.553290:0.613838:0.553290:0.596744:0.459633:0.596744:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Organismos :@0.205831:0.890106:0.306667:0.890106:0.306667:0.873012:0.205831:0.873012:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
marinos:@0.221632:0.908211:0.286463:0.908211:0.286463:0.891117:0.221632:0.891117:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Restos de :@0.695230:0.890106:0.776504:0.890106:0.776504:0.873012:0.695230:0.873012:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
organismos:@0.686847:0.908211:0.780487:0.908211:0.780487:0.891117:0.686847:0.891117:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Tiempo y presión:@0.406841:0.862486:0.545670:0.862486:0.545670:0.845392:0.406841:0.845392:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Restos de :@0.459631:0.652300:0.540905:0.652300:0.540905:0.635206:0.459631:0.635206:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
animales:@0.459631:0.670405:0.530836:0.670405:0.530836:0.653311:0.459631:0.653311:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Hace 300 o 400 millones de años:@0.114493:0.720611:0.486719:0.756794:0.490926:0.732415:0.118701:0.696231:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
100 millones de años:@0.564883:0.720618:0.806087:0.744065:0.810295:0.719686:0.569091:0.696239:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000
Calor y presión:@0.934414:0.550551:0.934414:0.461554:0.911896:0.461554:0.911896:0.550551:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000:0.000000