Which of these statements accurately describes urban growth patterns in the united states?
a) between 1850 and 1900, urban growth stagnated.
eliminate
b) ongoing migration inside the country is generally headed toward the southwest
c) since the 1980s, the birthrate has been largely responsible for the country's growing population.
d) the majority of the rural population has migrated to urban areas from rural areas since the 1970s.

The answer is B.

Explanation:

The United States has been progressively expanding towards the southwest since the start of the country.

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.