Ang kaisipang pinangunahan ng mga ilustrado na nangangahulugan ng naliwanagan

Which of the following statements is not true about regions? a.) regions have fixed boundaries that are determined by the region's inhabitants. b.) a region can be defined by physical characteristics, such as climate, landform, and vegetation. c.) regions can change over time. d.) a region can be defined by human characteristics, such as language, government, and economic activity. e.) the same location can be considered part of multiple regions.

The sun a. will become a red giant within two to three million years b. is in its main sequence, which willlast thousands of years c. is in its main sequence, which will last billions of years. d. will explode as a supernova after its main sequence

If the limit, as x approaches infinity (or negative infinity) of a function is equal to a, we say that the line y = a is a of the function f.