Hiw can scientists tell whether something is solid or made of many tiny parts by how it reflects sound?

How do you know ? what does verne have his characters say and/or that reveal that attitude ?

This map shows north korea and south korea today. how does this map reflect the impact of the korean war?

What message do all of the assigned readings most convey? o a. that the war was widely contested by americans o b. that the authors are tortured by memories of the war o c. that children should not be a part of war o d. that the authors value their experience as a part of personal growth bm