... 4. Provide an example that illustrates how a phase change is an intensive (characteristic) property.

7. Which type of property would NOT be useful in identifying a substance? Why?

I need help, please and thank you

also whenever I try to answer someone's question, it leaves my answer blank...why tho?

introduction of a drug directly into the respiratory tract is a form of inhalation administration.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.