Which of the following are the advantages of Nano-composite materials?1. Decreased thermal expansion coefficients2. Higher residual stress3. Reduced gas permeability4. Increased solvent resistance

• A. 1, 2 and 3 only
• B. 1, 3 and 4 only
• C. 1, 2 and 4 only
• D. 2, 3 and 4 only