Answer: The answer is four; four
Explanation: This is because of the mixture of material used and the number of directions it causes strain I directly proportional to the number of times it causes stress. 
 
        
             
        
        
        
Answer: b)Its ability to penetrate skin quickly due to its very small diameter
Explanation: Carbon nano tubes(CNT) are the material widely used in the medical field due to the atomic structure of it ans also have small size. Toxicity in the carbon nano tubes is because their small sized atomic particles which can enter the skin by penetration or inhalation. But are still preferred in the medicine because having unique properties like mechanical property, chemical property,surface property etc. 
 
        
             
        
        
        
Answer:
a)  
b)  
c)  
Explanation:
From the question we are told that:
Beaker Mass 
Liquid Mass 
Balance D:
Mass 
Balance E:
Mass 
Volume 
a)
Generally the equation for Liquid's density is mathematically given by



b)
Generally the equation for D's Reading at A pulled is mathematically given by
m_d = mass of block - mass of liquid displaced



c)
Generally the equation for E's Reading at A pulled is mathematically given by



 
        
             
        
        
        
Answer:
Current Liabilities
Explanation:
Accounts of Current Liabilities
- Account Payable
- Expense Payable
- Tax Outcome
- Tax Income
- Income tax payable
 
        
                    
             
        
        
        
Explanation:
Most ceilings are coverd with plaster or board.