Reading & Speakinga) 6.3.3.1 Describe thepictures. What can yousee, hear, smell?b) 6.1.6.1 Do you knowthese places? Write aquestion about each.Listen and read. Wereyour questions answered?​

 Natural oily flammable liquid consisting mainly of a complex mixture of hydrocarbons of various molecular weights and some other chemical compounds. The color of the oil is usually solid black. Has a specific smell.Oil is found together with gaseous hydrocarbons at depths of tens of meters to 5-6 km. the Density of oil, like other hydrocarbons, is strongly dependent on temperature and pressure. It contains a large number of different organic substances and therefore is characterized not by boiling, and an initial boiling point of liquids.