Nitrogen and oxygen are the main constituents of the atmosphere plus water vapour near the surface. Carbon dioxide is present in smaller amounts butgl of course it can have a profound influence on the climate as global warming has shown, Greenhouse gases include water vapour, carbon dioxide, methane and nitrous oxide. 
        
             
        
        
        
Answer:
9,240
Explanation:
This company makes 840 notebooks in 1 day. 840 x 11 = 9,240 
 
        
                    
             
        
        
        
Answer:
see I need help for chemistry pls anyone here helps me I must submit before 10:30
 
        
             
        
        
        
Answer:
वायुमण्डल में एक निश्चित मात्रा में पाई जाने वाली गैसों- नाइट्रोजन, ऑक्सीजन तथा कार्बन-डाई-ऑक्साइड की मात्रा क्रमशः 78 प्रतिशत, 21 प्रतिशत और 0.3 प्रतिशत है और शेष असक्रिय गैसें पाई जाती हैं।