Describe what was observed in this activity regarding the seismograph.

If I am correct, an earthquake slowly began with stage one of soft waves, followed by stage two of more prominent waves and lastly stage 3 with surface earthquake waves within a certain time frame.

Hope this helps! :)

Earthquake waves that vibrate from side to side and up and down only through solids are known as "seismic waves."hope my answer has you : )

Developed countries will see a decrease in natural resources, because their population will decrease.