id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
m-411	Hamaden, Ghazala Ahmad	Physiological responses of Solanum nigrum L. Species to the heavy crude oil	2021	19	.pdf	application/pdf	5823	435	62	Although exactly how crude oil originated is not established, it is generally agreed that crude oil is derived from the remains of animals and plants that lived in marine water millions of years ago, types of crude oil: Based on the density crude oil is divided in to the following groups: Light crude oil and heavy crude oil 1.1. Key words: Solanum nigrum L. black nightshade, heavy crude oil, phytoremediation.	cache/m-411.pdf	txt/m-411.txt