ANSWER:
Approximately 0.5% percentage of central America does contribute to the 'total amount of carbon dioxide' produced in the world. 
Step-by-step explanation:
- There are various countries in the world who are producing loads of carbon dioxide. 
 - When it is categorized by volume, then china is in the first place, second place goes for United States, third is the European Union. 
 
- Taking average for the total production of 'carbon dioxide' is about '2.57 million pounds' in air every second.