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Ghella [55]
3 years ago
8

15. Another name for the interstellar matter that will eventually form a star is ____.

Biology
2 answers:
Nataly [62]3 years ago
8 0
15. D - nebulae

16. B - Hydrogen

17. D - Supernova

18. D - Become black holes

19. C - Main-sequence star
Vilka [71]3 years ago
4 0

15. Nebulae: It refers to a giant cloud of dust and gas in space. Some nebulae come from the gas and dust withdrawn out by the explosion of a dying star, like a supernova. Other regions of nebulae are the regions where new stars are starting to produce.

16. In a milky way, the most abundant gas in the emission nebulae is hydrogen.

17. Supernova refers to a start that suddenly enhances greatly in brightness due to a catastrophic explosion, which ejects the majority of its mass.

18. All the stars, in spite of its size, ultimately runs out of fuel and collapse.

19. The sun is a main sequence star. The main sequence stars fuse hydrogen atoms to produce helium atoms in the cores. About 90 percent of the stars in the universe, like the sun, is the main sequence stars.


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What is the primary difference between a hypothesis and a theory?
VLD [36.1K]

Answer:

A theory is an explanation that why something occurs while the hypothesis is a prediction or guess about what will happen.

A theory is a conclusion that is given after many experiments while a hypothesis is an idea that is given before an experiment that what will happen as a result experiment.

The periodic theory explains that elements would repeat their properties repeatedly. The theory also made a hypothesis that certain elements would be discovered.






5 0
3 years ago
Read 2 more answers
How many dna molecules are present in a synapsed pair of homologous chromosomes?
uranmaximum [27]

Answer:

The answer is 4

Explanation:

The answer is 4 because we are talking about pairs of homologous chromosomes and there  two copies  are held together and they are located in the centromere.

Synapsis is two homologous chromosomes pairing. During the event of <em>meiosis </em>homologous chromosomes are being pared but then also separated because of reducing the genetic content of the resulting haploid cells.

7 0
3 years ago
Determine if this passage is an argument or nonargument: Evolution is central to vertebrate biology because it provides a princi
attashe74 [19]

Answer:

C). Argument; conclusion: Classification,...a method of understanding evolution.

Explanation:

An argument is characterized as 'a series of propositions organized so that the final proposition is a conclusion that is intended to follow logically from the previous propositions.' The given passage exemplifies an argument as it puts forward a claim that can be argued upon if it is true or not and supported through adequate reasoning. <u>The factual evidences are provided to support the validity of the proposition and the conclusion that 'classification initially a process...understanding evolution' is compelled</u>. Thus, <u>option C</u> is the correct answer.

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Why Do More Species Live Near the Equator? 5 reason why
PtichkaEL [24]

Answer:Species Dynamics. This theory is quite straightforward: species that can colonize new areas faster and reproduce in greater number than they become extinct have the greatest chances to thrive. The tropics offer favorable conditions for these conditions to be met.    

There Is More Diversity Near the Equator. ... Another argues that more solar energy is received around the equator, allowing for greater species richness. A third points out that equatorial tropics are the largest biome, so it makes sense that there would be more species.

Explanation:

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How many complete molecules of dna do you begin with in dna replication?
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Answer:

Well you began with 2 DNA replication

Explanation:

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