1 â¢ Ozone (O3) is an extremely reactive gas molecule composed of three oxygen atoms. â¢ 2  Ozone forms in chemical reactions in the atmosphere when nitrogen oxides (NOx) and volatile organic compounds (VOCs), also called hydrocarbons (HC), come into contact with both sunlight and heat. â¢ Ozone (O3) is an extremely reactive gas molecule composed of three oxygen atoms. â¢ 2  Ozone forms in chemical reactions in the atmosphere when nitrogen oxides (NOx) and volatile organic compounds (VOCs), also called hydrocarbons (HC), come into contact with both sunlight and heat.
Grolar bears. The offspring of a grizzly bear and a polar bear, a grolar bear is one beast you don't want to meet in the woods. Interestingly, unlike many hybrid animals on this list, grolar bears are known to occur naturally in the wild.
Habitat: Grizzly bears can be found in woodlands, forests, alpine meadows and prairies. In many habitats they prefer riparian areas along rivers and streams. Range: Grizzly bears once roamed throughout the entire western U.S. south into Mexico including the Great Plains and along rivers in desert habitats.he males are heavier than the females and can weigh up to 1,700 pounds. A large female will weigh up to 800 pounds. Diet: Grizzly bears are omnivores. The most commonly eaten plants are the fleshy roots of some plants, fruits, berries, grasses, and forbs.