16. It is the seasonal winds caused by differences in temperature and pressure between oceans and continents due to seasonal change. A. Winds B. Monsoons C. Weather D. Climate 17. Which of the following is described by a mass of cold air that usually brings fair weather? A. Low pressure area B. Amihan C. High pressure area D. Habagat 18. What do we mean by PAGASA? A. Philippines Atmospheric, Geographical, and Astronomical Services Administration. B. Philippines Atronomical, Geographical, and Astronomical Services Administration. C. Philippines Atmospheric, Geographical, and Astronomical Services Administration. D. Philippines Atmospheric, Geographical, and Astronomical Services Association. 19. The time when sunlight shines equally on the northern and southern hemispheres. A. Equinox B. Solstice C. Seasons D. March 20. Earth's season are caused by which of the following? A. The varying amount of sunspot activity B. The rotation of the earth during a 24-hours day C. The The Earth's orbit about the sun as a ellipse rather than circle D. The tilt of the earths axis rotation relative to the path as earth revolves around the sun.
