Compare and contrast between the plane surveying and geodetic surveying as classification of surveying?

What does the word submerged mean in the following sentence? after it rained for three days in a row, the streets were completely submerged.

What was on result of the potato famine

In the von thunen model of agricultural land use, what is produced closest to the city epicenter? a. dairy, vegetables, and fruits b. field crops, such as corn and wheat c. beef and other animal products d. wood and lumber