That would be an asteroid
        
             
        
        
        
I think the correct answer from the choices listed above is option A. A high frequency wave is a wave with a low level of energy and a high pitch. Frequency is the number of waves passing per second of time. Hope this answers the question. 
        
             
        
        
        
Answer:
<em>The internal resistance of an ideal ammeter will be zero since it should allow current to pass through it. Voltmeter measures the potential difference, it is connected in parallel. .</em>
Explanation:
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<em>I </em><em>hope</em><em> this</em><em> helps</em><em>!</em></h3>
 
        
             
        
        
        
Answer:
Explanation:
Its definitely an Attractive force since the two charges are Unlike. 
From Coulombs Law 
F=kq1q2/R²
Given 
K=9x10^9
R=1m
q1=2C 
q2=-1C
F=(9x10^9 x 2 x -1)/1²
F= - 1.8x10^10N. (Attractive).
 
        
             
        
        
        
Concave lens. These are used in making the objectives of reflection telescopes