What is the usual result when the ocean breaks pebbles into smaller and smaller pieces?

Briefly describe the roles/parts played by trumpet, clarinet, and trombone in new orleans-style collective improvisation, and explain why this type of collective improvisation is fundamentally different from what happens when a typical modern jazz group improvises together.

What is one main reason some governments in the twentieth century began campaigns of genocide? a) a minority group wanted total independence. b) a minority group wanted more say in lawmaking. c) a minority group had different cultural customs. d)a minority group protested against government policy.

Who was the first female secretary of state?