Answer:
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Explanation:
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Explanation:
 
        
             
        
        
        
Answer:
Calculate the wavelength associated with an electron with energy 2000 eV.
Sol: E = 2000 eV = 2000 × 1.6 × 10–19 J
 
        
             
        
        
        
You will use the Pythagorean Theorem to solve it. 
c^2 = a^2 + b^2 
c^2 = (1.5)^2 + (2)^2 
c^2 = 6.25
c = square root of 6.25 
c = 2.5 
I hope this helps!
        
             
        
        
        
Answer:
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The global warming is the uniform heating of the globe due to the effect of greenhouse gases.
Answer: Option B
<u>Explanation:</u>
Global warming is thus the theory that says that earth is warming up with an increase in temperature over time due to increment in the greenhouse gases. 
These are greenhouse gases that are getting increased due to the human activity or say over exploitation of the natural resources. The heating of the globe has caused ozone layer depletion which is also causing warming.