Japan’s natural tourism

Geography

1 answer:

wolverine [178]2 years ago

8 0

Mt. Fuji is a natural

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Planeta Tierra

lisov135 [29]

Consequently cosecuencias zo 12

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2 years ago

How old are rocks on earth?

lozanna [386]

Answer:

4 billion years

Explanation:

Scientists have found the oldest known rocks on Earth. They are 4.28 billion years old, making them 250 million years more ancient than any previously discovered rocks. Earth formed about 4.6 billion years ago from a disk of gas and dust circling the sun.

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3 years ago

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The luminosity of a star changes throughout its life. For a star of 1Msun, rank the stages a. Red against just before the helium

MrRa [10]

Answer:

d. Proto-star at the end of the Hayashi track.
c. On the main sequence.
a. Red against just before the helium flash
b. Horizontal branch
e. White dwarf

Explanation:

The protostar is a new star that is formed at the end of the Hayashi track and is luminosity temperature relationship of infant stars that are less than M 3. The protostar ends its period and becomes a Tauri star that is extremely luminous.

After which the main sequence of the stars are formed is the next stage in stellar evolution and is dependent on its mass like the sun after this period the star turn red as it has a hydrogen-rich core and it starts to branch out displaying extreme density.