What type of medium can a compression shock wave be transmitted through?

Liquids only
Solids only
Liquids and gases
Solids and Liquids

Scientist believe that earths core is around 6000°c where does this heat come from

What is the difference between emigrate and immigrate? ?

Which of the following best describes the purpose of a nation’s boundaries? a. to limit the movement of goods and people b. to make it easier for cartographers to create maps c. to make the movement of goods and people easier d. to prevent other countries from invading territory