It is called seismic waves. That should help:)
Answer: It would take you about 19 years to reach the Sun.
Explanation: Sun is about 8.3 light minutes from the Earth. This means it would take 8.3 minutes for light to reach from the Surface of the Sun to reach the Earth. If you are traveling in a Jumbo Jet , it would take you about 19 years to reach the Sun
He could give each of his children a third of what stamps he owns. So then you would divide 45 by 3 to get how many each child would get.
The answer to (find the distance between the points (5,0) and (5,-6))
The informal sector lacks land, capital, and technology, and can be less productive than formal enterprises, however, it can improve individual earnings and add money into the economy. It is the access to the market and power to purchase that can assist the productivity of the informal worker. If products can be sold on a cheaper mass scale to informal workers to use as a resource, this could help improve this sector to be more meaningful.