Oil Oils are liquid at room temperature (18-24 C) and usually contain oleic acid. On the other hand, fats are solid at room temperature and contain stearic or palmitic acid.   Definition Oils and fats are water insoluble substances called lipid, consisting of a mixture of triglycerides and containing also …

 Paleobotany Paleobotany is a study of preserve of vestiges (remaining) of geological past. More comprehensively, it is a part of paleontology or paleo-biology which deals with recovery and identification of plant remains. Paleobotany can be defined or approached from the botanical point of view where emphasis is given on plant …

Process of fossilization Mainly there are two theories how plants become fossil. 1. Infiltration theory 2. Molecule by molecule replacement theory 1. Infiltration theory Infiltration theory is based on the fact that mineral matters are infiltrated and precipitated in the cell wall in the buried plant and plant parts undergoing …