Answer: Sedimentary rocks make up 75 percent of the rocks at the earth's surface but only 5 percent of the outer 10 miles of the earth. Sediment, as distinguished from sedimentary rock, is a collective name for loose, solid particles and is generally derived from weathering and erosion of preexisting rock.
Answer:
Age is a problem for both types of countries, here's why
Explanation:
In developing countries age is a problem because this state has to provide jobs and care for growing children, and providing education for them is expensive and time consuming, not to mention basic needs like housing and food. It's hard for developed countries too because these countries have to deal with an older population that is declining in health. The state needs to provide assisted living and care for this part of the population.
The area In Latin America that is actually common wealth of the United States is puerto rico
