Answer:
The greenhouse effect is often caused by the atmospheric accumulation of gases. Those gases tend to be Carbon Dioxide and/or Methane
Explanation:
The greenhouse effect is caused by these gases because Carbon Dioxide and Methane absorb some of the heat that radiates off of Earth's surface, trapping the heat and then the greenhouse gases absorb the heat and it leads to a rise in its temperature
Sri Lankans speak the language of Tamil.
By replacing the year with the Page number. The author should already know background information from either the title or the intro paragraph. Good luck!