Answer: It is made out of layers of core
Explanation:
The sediments will settle to the bottom of the stream or end up in drainage ditches or any lower elevations on the ground.
Explanation:

<em>Today, South Africa produces only 4.2% of the world's gold. In South Africa, mining for gold typically involves methods like panning, sluicing, dredging, hard rock mining and by-product mining. </em>
Answer:
sense of self-interest.
Explanation:
The given quote is taken from the book titled 'The Wealth of Nation' written by Adam Smith. The book is about the free-market economics and it's pros and cons to the economy.
In the given quote, Adam Smith is talking about that it is <em>sense of self-interest</em> that motivates people to seek high-paying jobs rather than the desire of interest of society. He asserts that people are exerting themselves to seek high-paying jobs for his own advantage than advantage to the society.
Therefore, option D is correct.
Answer:
As the Earth moved out of ice ages over the past million years, the global temperature rose a total of 4 to 7 degrees Celsius over about 5,000 years. In the past century alone, the temperature has climbed 0.7 degrees Celsius, roughly ten times faster than the average rate of ice-age-recovery warming
Explanation:
and it just keeps going from here!