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Pachacha [2.7K]
3 years ago
5

What process is most responsible for the extinction of most species that have lived on earth?

Biology
1 answer:
evablogger [386]3 years ago
7 0
Climate changes and humans.
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What are new stars that are found in the spiral arms and formed from recycled dead star material known as?
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Answer:

population I stars.

Explanation:

A star is a giant astronomical or celestial object that is comprised of a luminous sphere of plasma, binded together by its own gravitational force.

It is typically made up of two (2) main hot gas, Hydrogen (H) and Helium (He).

The luminosity of a star can be defined as the total amount of light radiated by the star per second and it is measured in watts (w). Also, the apparent brightness of a star is a measure of the rate at which radiated energy from a star reaches an observer on Earth per square meter per second. The apparent brightness of a star is typically measured in watts per square meter.

Some of the examples of stars are; Canopus, Sun (closest to the Earth), Betelgeus, Antares, Vega etc.

New stars that are found in the spiral arms and formed from recycled dead star material are known as population I stars. Also, it comprises of association and clusters formed a million or billion years ago in the spiral arms of Milky Way galaxy.

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3 years ago
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Briefly explain y genetic variation is important to living organisms <br><br>plz help​
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A hypothesis can be supported, but no amount of testing can prove a hypothesis is correct with absolute certainty. Is this state
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<em>Yes, the statement is accurate.</em>

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A hypothesis can be supported through experiments but we cannot say that the hypothesis is exactly correct because there might be other unknown factors which are unmeasured or unobserved which might be influencing our hypothesis. There are many studies in which a proven hypothesis was proven wrong due to many other factors or influences. Hence, a hypothesis can be supported but there are always chances that other factors might be being ignored which might influence the hypothesis.

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