Answer:
5,550
Explanation:
it was 3500 BCE.
which is 5,500 years ago.
Answer: Countries with more wealth have a higher life expectancy
Explanation: Countries with more wealth can have more money to spend on healthcare.
<span>Delta and American Airlines, for example, only allows children 15 and older to travel alone domestically without their unaccompanied minor service</span>
The difference between the two mentioned magnitudes is 4.
A magnitude 1 earth-quack is 10000 times bigger than a magnitude -3 earth-quack. On the other hand, it is 1000000 times stronger in terms of energy release.
Note: To calculate the difference in energy between two earth-quacks, first you calculate the difference between their magnitudes and then you raise 10 to the output you obtain.
Answer:
Option C, Use seismographs to predict volcanic eruptions
Explanation:
People living near volcanoes proximity are at high risk during the eruption period of volcanoes. As the volcano erupts it releases harmful gases and also the hot molten lava flows out of it thereby disrupting every thing that comes in its way.
If people living in such areas are able to get pre information of volcanic eruptions then they can get time to shift to new safer place.
Hence, option C is correct
