Alamin natin ang mga dahil kung bakit pumutok ang mga #bulkan # bulkang pinatubo # bulkang mayon #bulkang taal. Music by: Youtube audio library https://www.facebook.com/renil.olaguir Disclaimer under section 107 of the copyright act 1976 allowance is made for "fair use" For purposed such as criticism, comment, news, reporting, teaching, and research..