If I remember correctly, the answer is <span>Friction force.</span>
        
             
        
        
        
<span>'Do all liquids evaporate at the same rate
 that would be false
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The density at 1,291 km from the surface of the planet is
              [ (1,291 - planet's radius)/(planet's radius) ] ^ some power .
        
             
        
        
        
The compound Fe(NO2)2 is Iron (II) Nitrite. 
Hope I could help :) 
        
                    
             
        
        
        
Answer:
true
Explanation:
we have many sattelites that are seen by many astounouts in space by telescope but more than half space is not discoverd