Acentered biaxial optic axis figure has a curved isogyre extending from the northwest to southeast quadrants and is convex towards the northeast quadrant. on inserting a first order red interference filter, the region to the northeast of the isogyre turns yellow and to the southwest of the isogyre turns blue. what is the optic sign of the mineral?

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

Air masses are characterized by various properties including temperature humidity air pressure and wind speed. which of the following air masses is associated with low relative humidity and high air temperature ?

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.