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andrew-mc [135]
3 years ago
14

Approximately how old is the Earth

Biology
2 answers:
Solnce55 [7]3 years ago
8 0

Answer:

The earth is approximately 4.54 ± 0.05 billion years old.  

Explanation:

In solar system the earth is only planet to have life in it. The existence of water makes it unique and it is the root cause for the presence of life. Other planet do not have any atmosphere water available on them which could support life in any form.

The presence of atmosphere hydrosphere and lithosphere induces biosphere which is also defined as sphere of life. Life exist on earth in the form of plants animals and small organisms.

The first life was originated in water itself. Water gives all the essential conditions which would support life.

Agata [3.3K]3 years ago
4 0

Answer:4.5 billion years

Explanation:

According to radiometric

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Cells are the basic unit of matter is the correct answer.

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The landmark that is not part of the sphenoid bone is Olfactory foramina

Sphenoid bone is are bone that  can be found  at the central  of the human skull and they are made up of  cranial bones  which are bones that help to protect the human brain from injury.

Olfactory foramina is not part of sphenoid bone because  they are hollow space that is found in the cribriform plate.

This hollow space made it possible for the sensory nerves to pass through the  human nasal cavity which in turn help to transport information from the olfactory receptors to the brain.

Inconclusion the landmark that is not part of the sphenoid bone is Olfactory foramina.

Learn more about Olfactory foramina here:

brainly.com/question/18866746

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