arabera hiren isbeats... 13 years ago
218
Honelako gehiago
by Viviana Brun
by Sabeh Ayoun Abdul Rahman
by Dhaliwal Bvneet
by Dhruv Dhanda - Aylesbury PS (1425)
When fuels burn, carbon dioxide is released into the air
Poisonous gases
Acid rain
Global warming
Landslides