Answer: b). Scarcity
Explanation:
Scarcity refers to the relative shortage of resources in comparison to human wants. 
Non-renewable resources refer to the resources which do not renew itself at a sustainable rate and have the risk of depletion. In addition to this, human wants are unlimited, a normal human being wants more and more of everything. 
When non-renewable resources and unlimited wants are combined together they lead to the shortage of resources, which lead to its <em>scarcity</em>.  
 
        
                    
             
        
        
        
Answer:
Business letters can be confidential.
Explanation: A Business letter is a formal letter used in Organisations to effectively communicate and transact business.
Examples include letters like EXPRESSION OF INTEREST LETTERS, APPOINTMENT LETTERS,LETTER OF REQUEST ETC. A business letter can be used to convey certain confidential or private information from one client to another. There are certain components of a business letter which includes the salutation,Date, Address of both the sender and the reciever,the body of the letter, conclusion etc.
 
        
                    
             
        
        
        
Answer:
The current ratio reflects existing cash as well as amounts to be converted to cash in the normal operating cycle.
Explanation:
  As we know that
There are two liquidity ratios which is current ratio and quick ratio
The formula to compute each one is shown below:
Current ratio = Current assets ÷ Current liabilities
And, the quick ratio = Quick assets ÷ current liabilities
where, 
Quick ratio = Current assets - inventory - prepaid expenses
By considering the two above ratios we could find the liquidity position of the ratio but the current ratio is the best as it includes all the items i,e to be required for it 
 
        
             
        
        
        
D) all of the above because you should be doing all of these during an interview