___ of the greenhouse effect is a bad thing. Since there are more and more greenhouse gases in the atmosphere more ___ is trapped which make the earth ___. This is called ___

1. Increase/occurrence

2. Heat

3. Warm

4. Global warming

Explanation:

Greenhouse effect is the process whereby heat is trapped by certain gases in the atmosphere called GREENHOUSE GASES e.g. carbon dioxide (CO2). Greenhouse gases have the ability to trap heat, hence, their increase in the atmosphere becomes a major concern as it starts becoming a bad occurrence.

An increase in the greenhouse gases in the atmosphere means more heat will be trapped, thereby, inducing the Earth to become WARM. This process where the Earth's temperature rises as a result of greenhouse effect is called GLOBAL WARMING.

"d.) carbon dioxide and hydrogen sulfide"