Answer:
Life, water, huge population of living organisms, biodiversity of species.
Explanation:
Earth is the only planet in our solar system that can maintain living organisms. It is the only planet in our solar system that is suitable for humans and animals to live on. Only planet with water suitable for a human/animal to drink. Many different types of species and organisms live on earth. And there is a large amount of living organisms living on earth.
Hope this helps!
Answer:
Oxygen is one and i can't think of others
Explanation:
Human population in areas prone to natural hazards has increased
They can't have a child with blood type O(I) because one of the parents has blood group AB(IV)