The country's inability to supply enough food or jobs for its rapidly growing population.
Answer: B. Show that light was composed of different colored rays
Explanation:
In the eighteenth century Isaac Newton found out that when a beam of light from the Sun, passes trhough a prism is decomposed in many different colors. He named this phenomenom as dispersion of light.
This phenomenom occurs when a beam of white light (which is compound of many wavelengths or "colors") is refracted (the different rays of light are diverted depending on their wavelengths) in some medium, leaving their constituent colors separated.
Answer:
Loess.
Explanation:
The Yellow River is the second longest river in China and the fourth longest single river on earth. There are different numbers for its length, depending on the measurement method: 4845 kilometers is the most common one. Its catchment area covers 752,443 km². The river takes its name from the yellowish color that is created by loess that has been removed and washed into the river via streams and tributaries, which in turn fertilizes the land when it floods over its streams, making fertile land on its way.