Oh the answer is nothing. Poor people have nothing. Rich people need nothing. if you eat nothing you die.
        
                    
             
        
        
        
Answer:
2. A mnemonic device.
Explanation:
A mnemonic device helps us retain and remember large amount of information we've learnt, by putting it in a fun way easy for us to recall. A mnemonic device that uses the first letters of words in a sentence to form another sentence or rhyme is called an acrostic. 
Mnemonics are one of the many memory tools out there that aid students with information retention and retrieval.
Examples of popular mnemonics include;
1) BODMAS which stands for Brackets, Of, Division, Multiplication, Addition, Subtraction. This signifies the order of preference in mathematical calculations.
2) ROY G BIV which stands for Red, Orange, Yellow, Green, Blue, Indigo, and Violet.
 
        
             
        
        
        
The answer would be B. Only during periods of stress. When you are stressed out you are most likely having a hard time relaxing. If you take deep breaths your breathing should slow down and your body will relax. D. Only when you've gotten enough sleep, has nothing to do with breathing, you don't need to take deep breaths after sleeping. C. No more than twice a day and A. Everyday, are both unnecessary, you don't need to take deep breaths everyday for no reason. Stress is the main reason people hyperventilate. They get stressed and they have varied symptoms. They can't breathe, have short amount of patience, etc.  <span />