structural disequilibrium denotes change in the economic structure of any state where the balance of payment was previously favourable.

because structural characteristic do not change over time but physical appearance do

a. primary

b. secondary

c. tertiary

d. quaternary

Its e. All of the above, any change to any of the structural levels of organization can change the fuction of the protein

1. Technological

2. Change in methods and procedures

3. Process change

4. System change

5. Structural change

Inversion.