Will give brainliest please help According to von Thünen's model of agricultural land use, which of the following is the LEAST practical agricultural practice?

Developing feedlots between grain fields and dairy farms
Importing tropical fruit from a great distance
Making extensive use of chemical fertilizer to increase crop yields
Shipping low-yield crops great distances
Using modern technology to grow foods in previously barren land

Which of the following statements concerning the effects of happiness is not true? select the best answer from the choices provided feelings of happiness generally lead individuals to demonstrate less care toward others. happy individuals are generally more playful than individuals who are not. research has linked levels of happiness to increases in creative problem solving. happiness, along with love, has been found to provoke prosocial behaviors.

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor

Which of these is a lower subgroup a. kingdom b. order c.genus d. species