Which of the following statements about the geographic theme of region is false? a. regions are always unchanging and distinct in nature. b. different perceptions of a region can make that region less defined. c. a region is an area on earth that is defined by certain unifying characteristics. d. regions are based on human perceptions. select the best answer from the choices provided.

The correct answer is A. Regions are always distinct and unchanging in nature.

Geographical theme can educate and teach more on geography.

The five themes of geography include movement, region, place, location, and human-environmental interaction.

Place is area which defines everything in that place, for example, population, site, toponym and situation.

Location defines the longitude and latitude on the earth.

Movement shows how goods and services, ideas and people travel from one place to another.

Region is area which has certain characteristics, for example, physical characteristics like vegetation and climate.

levels of production can be increased by technology while holding labor and capital constant, because increased technology makes the production process more efficient. subsequently, the lras curve is almost a vertical line, that can shift to the right, with an increase in technology.

the relationship between the lras curve and the ppc is that both can make the economy could grow. the ppc achieves that when it shifts outward because of more resources or technological advances while the lras curve shifts if more resources are developed or if there are technological advances.

the lras curve is a vertical line at an output level that represents the number of goods and services a nation can produce over a sustained period using all of its productive resources as efficiently as possible with all of the current technology available to it.

the production possibilities frontier (ppf) is a graphical device that is used for economic analysis of production decisions because the ppf measures the maximum possible combinations of two goods that an economy is capable of producing with its currently available resources and technology.

permafrost layer, it exists beneath a layer of soil, rock or sediment.