Which recording medium has no moving parts?

Which of the following is NOT characteristic of jazz at the beginning of the 21st century?

a. Fusions with music of other cultures b. Acceleration of change c. Redefinition of what jazz is d. Strict adherence to traditional rules

The group of philosophers known as the ____ believed that the ills of humanity could be remedied by applying reason and common sense to problems

a. Philosophes b. Industrialists c. Poussinistes d. Academy