Lesson 4 of 14 • 9 upvotes • 11:36mins
In this lesson the educator is describing the coal and petroleum in detail. And also how they are used nowadays, their bad effects on nature.the lesson starts with te introduction and then coal will be discussed in detail with the description f its products and their uses in day to day life , petroleum the fossil fuel is very important which will be discussed after coal and how is petroleum refining takes place, alsothe contituents of petroleum will be discussed also we will be learning the uses of petroleum in various places. Natural gas comes under this topic also how PCRA is encouragingly awaring the people for saving these fossil fuels.
14 lessons • 1h 45m
Crop Production and Management Part 1
7:26mins
Crop Production and Management Part 2
9:00mins
Microrganisms
9:53mins
Coal and Petroleum
11:36mins
Cell Structure and Function
8:50mins
Reproduction in animals
8:16mins
Reaching The Age of Adolescence
8:15mins
Conservation of plants and animals part 1
6:22mins
Conservation of plants and animals part 2
6:03mins
Noise Pollution
6:25mins
Soil pollution
5:18mins
Reproduction in plants
5:32mins
Nutrition in plants
6:02mins
Nutrition in animals
6:28mins