CAUTION: Federal (U.S.A.) law restricts this drug to use by or on the order of a licensed veterinarian. DrontalÂ® Plus Taste TabsÂ® (praziquantel/pyrantel pamoate/febantel) Broad Spectrum Chewable Anthelmintic Tablets for Dogs are available in three tablet sizes. Each size is scored for convenient oral administration.
Ozone is also destroyed naturally in the stratosphere, being dissociated by ultraviolet radiation: This is the reaction that is responsible for O3's absorbtion of uv radiation that would otherwise reach earth.
Good Ozone. Called stratospheric ozone, good ozone occurs naturally in the upper atmosphere, where it forms a protective layer that shields us from the sun's harmful ultraviolet rays. This beneficial ozone has been partially destroyed by manmade chemicals, causing what is sometimes called a hole in the ozone..