The blood then flows through the <span>open tricuspid valve. </span>
        
                    
             
        
        
        
Answer:
"pumps blood against a greater resistance" that the answers. hope this helped
 
        
             
        
        
        
Answer:
from the sun
Explanation:
producers get light energy from the sun 
 
        
                    
             
        
        
        
61/3 is the answer for this question
        
             
        
        
        
Answer:
The measures which is taken by country need to prevent global warming are given below. 
1) The government of the country should planted more trees because plants are only organisms which reduces the concentration of harmful gases which causes global warming. 
2) Reduce the use of fossil fuels such as petrol, coal and methane gas. 
3) Use solar energy instead of fuel for the production of electricity and other industrial products.