Unsure. Although it has been proven that microorganisms can live out in space, no one has seen an organism native to planets besides Earth.
One is B, two is C, and I'm not sure but I think three is A or C.
It's being estimated that dinosaurs lived on Earth from about 237 million years ago to about 66 million years ago. So answers B and D are definately too "old", while answer A is too "young". I'd pick answer C as it's most probable.
Answer:
formal region is an area inhabited by people who have one or more characteristics in common. ... Examples of formal regions are Europe, Africa, United States, and Canada. Functional Region. A functional region is an area organized to function politically, socially, and economically as a single unit.
False!
Hydrosphere overlaps with other spheres.
Example. - When Plant (Biosphere) grows under water!!
Hope this helps!
