the correct answers are People depend on the atmosphere for the air they breathe. It screens out the sun's ultraviolet rays. Warm air has more moisture content than cool air.
 
        
             
        
        
        
Answer:
Option B = No, it is not a rectangle because the sides of the parallelogram do not meet at right angles! 
 
        
                    
             
        
        
        
Answer:
Sulfur: gunpowder and medicines 
copper: coins and jewelry; and in coins 
diamond: drill bits and saws
Explanation: