Which scale of measurement measures the magnitude or strength of an earthquake based on seismic waves?

In 1 or 2 sentences, define nationalism and give an example.

Why is the price of rice so important? a. rice prices must be kept within reach of the poorest peopleb. rice prices must make a large profit or no one will grow itc. rice prices impact the cost of fruits and vegetables on neighboring farmsb. rice prices have no real importance other than to large corporations

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river