When a country has economic development, the birth rate usually falls. People are working more and wait later in life to have children. While some others now choose to not have any children at all. For a population to be stable, a woman needs to have 2 children, it has fallen over the years in developed countries. This can be problematic for future generations because the newer generations are the ones to support the retiring generations. Labor forces will shrink and this will then hurt the economy.
I would say B) they blow all the time
Answer:
no
Explanation:
because thew lava would not come through
For seismograph A, the lag time is
5 minutes (difference between 6:10 and 6:05)
For seismograph B, the lag time is
15 minutes (difference between 6:25 and 6:10)
Assuming that earthquake waves have a constant velocity during the earthquake, then the seismograph with the shorter lag time is closer to the epicenter. So,
Seismograph is closes to the earthquake's epicenter
I believe it is Sand. because when sand hardens it's like a type of case that conceals things like bones hope this helps and have a great day :-)
