Polar bears are listed in red as they are belong to Endangered Species. These species are gonna extincting due to gradual changes by environmental factors.
Answer:
I can help you with one answer.
Palladium is an element used in the Iron Man 2 Novelization. I hope this helped ;)
Explanation:
Planets are massive, so we use models to easily view our solar systems in schools and homes.
The area of Earth where ozone is primarily produced is in the tropics.