منتديات ماميتو التعليميه
شرح شيق ووافى Global Warming , Ozone Layer علوم للصف الثانى الإعدادى لغات
Global warming can be defined as heating of earth because of
increase in green house gases
((carbon dioxide, water vapor, nitrous oxide, and methane).
These gases trap more heat from the sunlight reflected by earth
,so temperature of the earth goes up.This may hurt all living beings.
In this educative video,find all answers to the questions
about what is global warming ,what is ozone layer,what is greenhouse effect etc
الرئيسية 
