Defined as a phenomenon of liberation of electron from the surface that is stimulated by temperature elevation, radiation, or by strong electric field.
        
             
        
        
        
Answer:
The answer is D; 1.45 x 10^-4
 
        
             
        
        
        
Strong electrolytes  are completely ionised in solution.
Weak ones are only partially ionised.
Non electrolytes do not  form ions
        
             
        
        
        
Answer:
The health effects of ozone layer depletion is discussed below
Explanation:
. Ozone layer depletion effects improved UV radiation levels at the
Earth's covering, which is degrading to human well-being.
Negative consequences involve improvements in several varieties of
skin cancers, eye cataracts, and immune insufficiency diseases.
• Ozone layer exhaustion improves the quantity of UVB that touches the
Earth's exterior.