2. what is the first event that happens to a star with roughly the mass of our sun that exhausts the hydrogen in its core and stops the generation of energy by the nuclear fusion of hydrogen to helium? describe the sequence of events that the star undergoes.

Which of the following statements about geographers' perceptions and perspectives is false? a. geographers avoid looking at the world with different perspectives. b. regions are a relative thing and a matter of perception. c. spatial distribution can be a matter of perception. d. mental maps are a way that people memorize and perceive the world around them. select the best answer from the choices provided. a b c d

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)

Landmasses on a flat map look distorted because