Can you please help me with my work​

If there were no system of checks and balance,the process of government would eventually fall apart. do you agree with this opinion? why or why not?

Segregation or discriminatory practices that occur even when there is no explicit legal enforcement

Science cannot describe things that a.) are beyond imagination, experience, or human ability b.) cannot be observed, measured, or tested c.) have not been conclusively proven d.) occur without being seen, heard, or felt