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.
Iâm going to share some of the most fantastic grizzly bear facts for kids. The grizzly bear (Ursus arctos horribilis) also called silvertip bear inhabits all throughout North America, is a subspecies of brown bear. Brown bears are usually found in the western side of North America. The average lifespan of grizzly bears is 20 â 25 years even some species are expected to survive up to 30 years. 2  As compared to black bears, grizzly bears are slightly more aggressive when it comes to defending their territories.