Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
I got B but some of the numbers are blurry
The correct answer to this question is: colonization.
Usually the southern section is rainy and cool, and the central section is more dry. While the northern Andes are typically rainy and warm, with an average temperature of 18 °C (64 °F) in Colombia.
hope this helps, have a nice day
