All will have a dominant trait I can't see the following statments
 
        
        
        
Answer:

Explanation:
Given that

From the diagram

By differentiating with time t

When x= 10 m

θ = 64.53°
Now by putting the value in equation



Therefore rate of change in the angle is 0.038\ rad/s
 
        
             
        
        
        
Answer:
1) D
2) A
Explanation:
1) Each group has the same number of valence electrons, which are the outer electrons. 
2) Ionic bonds are between a metal and non - metal, the metal being sodium and the non - metal being chlorine.
 
        
             
        
        
        
B. kinetic energy increases and potential energy decreases
        
             
        
        
        
The zeroth law of thermodynamics states that if two thermodynamic systems each are in thermal equilibrium with a third, then they are in thermal equilibrium with each other.