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ipn [44]
2 years ago
6

Why are iron meteorites the core of asteroids?

Biology
1 answer:
Anvisha [2.4K]2 years ago
8 0

Answer:

They consist mainly of iron-nickel metal with small amounts of sulphide and carbide minerals. During the decay of radioactive elements in the early history of the solar system, many asteroids melted and the iron they contained, being dense, sank to the centre to form a metallic core.

Explanation:

Hope this helps luv

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C.

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4 0
2 years ago
During volume changes in the thoracic cavity, what is primarily responsible for changes in length?.
rusak2 [61]

During volume changes in the thoracic cavity, <u>Diaphragm</u> is primarily responsible for changes in length.

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The diaphragm contracts and pulls downward upon inspiration, or when the lungs inhale. The muscles between the ribcage tighten and pull upward at the same time. As a result, the pressure inside the thoracic cavity lowers and its size grows. Air rushes in as a result, filling the lungs.

Thus, diaphragm is responsible for the increase in length of the thoracic cavity.

To know more about thoracic cavity visit the link:

brainly.com/question/1395419?referrer=searchResults

#SPJ4

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