List 3 major characteristics that make Earth unique among other planets of our S

Question

List 3 major characteristics that make Earth unique among other planets of our Solar System and that also make conditions favorable for life to develop.
2.  A)  When did the Big Bang occur?
B)  When did our galaxy form?
C)  When did Earth finally form?
3.  A)  What most likely happened to Earth's very earliest atmosphere?
B)  How did the more stable atmosphere form?
C)  What was the composition of this first stable atmosphere?
D)  What was the source of free oxygen in the atmosphere?
4.  Where did much of the early atmosphere’s abundant carbon dioxide go?
5.   A)  When did Rodinia break apart?
B)  What continents made up Gondwanaland?
C)  What was Laurasia’s climate like?
6.  A)  Describe typical North American Triassic age rocks.
B)  How did this change in the Jurassic?
C)  What is the Morrison Formation famous for?
7.  A)  What were the Appalachian Mountains like by early Cenozoic time?
B)  How did the present day topography develop?
C)  Discuss the volcanic events that occurred in the West during the Cenozoic.
8.  A)  What important event in the evolution of life occurred at the beginning of the Cambrian?
B)  When did trilobites have their hey-day?
C)  What was the major predator of the Ordovician?
9.  A)  When did land plants evolve?
B)  Which period is know as the "age of fish"?
C)  How is it thought that amphibians evolved?
10.  What is the hypothesis for the extinction of all dinosaurs?
11. A)  List 4 ways that mammals differ from reptiles.
B)  What may have caused the extinction of large Pleistocene mammals?

Good evening. This is for my Geology assignment for tonight! I need all these questions answered! thank you!

Explanation / Answer

1. Earth is a special planet which has liquid water, plate tectonics, and an atmosphere that protects is from harmful shelters sun's rays. Earth is the only planet to support life. There are special of attributes to support life in planet Earth and it has a number of ideal features. It is different from others planets for having water in its liquid form at the surface, to conducive to life evolving.

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