Question 2 
True, this is because, for example, the pesticides used for cultivation as well as oil remains are filtered and arrive to the water killing fishes. 
 
Question 3 
Confucianism is a philosophy originated in China, known today as a spiritual philosophy that supports that the cosmos regulates the seasons as well as the life in the Earth. 
 
Question 4 
True. Religious groups are movements of people inside one religion that shares the same beliefs and practices. They are divided because of religion, not ethnic. 
 
Question 5 
False. It is based on Buda who lived-in North-East India in the 5th Century before Christ. 
 
Question 6 
Greenhouse gases. They exist naturally but an rise of them causes an increase of the temperature and the CO2 is the one that most contributes to the climate change.