Global warming and green house effect acid rains PDF Print E-mail
User Rating: / 0
PoorBest 
Written by pimpitcha   
Tuesday, 05 July 2016 10:38

In this video explains greenhouse gas The gases responsible for global warming - carbon dioxide, methane, nitrous oxide and CFCs. haemoglobin The red protein found in red blood cells that transports oxygen round the body. recycling Processing waste to form new products or reusing them.

 

ที่มา : http://www.7active.in
ลิงค์ : https://youtu.be/AW86YguCo8w
อัพโหลดโดย : 7activestudio
 

Add comment


Security code
Refresh