Скачать или смотреть #Ecosystem

#Ecosystem Definition & its Components#
In this video I explain about the Definition & its Components. Now a days Ecosystem is a important part of Environmental Science. The components are also explained here . Here I mention about the Lindeman's law & food Pyramid.

For details, watch the full video.

1.why Lightning Occurs- https://www.youtube.com/watch?v=JMrST...

2. Air pollution - https://www.youtube.com/watch?v=92Tib...

3.How to calculate Time by Longitude -https://www.youtube.com/watch?v=yhEZx...

4.Hadley Cell , Polar cell , Ferrell cell in Bengali -https://www.youtube.com/watch?v=hyTNL...

5.Bermuda Triangle :   • Bermuda Triangle in Bengali  | বারমুডা ট্র...  

6.Sahara Desert mystery :   • সাহারা মরুভূমি রহস্য || Sahara Desert Myst...  

7. Green House Effect :    • #Green House Effcet#গ্রীনহাউজ প্রভাব#  

8.Water Pollution :    • Water Pollution in Bengali# জলদূষণ এর কারণ...  

Follow me on:
Facebook-  / riya.paul.54379  
Insta-www.instagram.com/paulriya09/
Face book Page: Learn Geography