GEOGRAPHY HIGH SCHOOL

provided following are various stages during the life of a high-mass star. rank the stages based on when they occur, from first to last.

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one:
(1) contracting cloud of gas and dust
(2) protostar
(3) main-sequence O star
(4) red supergiant
(5) supernova
(6) neutron star

Here are the following items to be arranged:
- protostar
- supernova
- contracting cloud of gas and dust
- main-sequence O star
- red supergiant
- neutron star
Answer 2
Answer:

Final answer:

A high-mass star transitions through several distinct stages: the main sequence, red giant phase, helium fusion stage, formation of a carbon-oxygen core, and finally, Approaching Death. The star's mass significantly determines the speed of these stages as more massive stars evolve more quickly.

Explanation:

The life of a high-mass star can be divided into several stages, which occur in a specific order. Let's discuss them from first

The pace of these stages is heavily influenced by the star's mass, with more massive stars progressing through these stages more quickly.

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Which of the rivers below can swell to over 30 miles wide during its annual flooding season? A. Rio Grande B. Rio de la Plata C. Amazon River D. Paraguay River
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Which of the following farming techniques is essentially a version of terraced farming?A)Swideen agriculture B)Slash and burn agriculture C)Wet rice agriculture D)Dry rice agriculture

Economic growth means that _____.

Answers

it's an increase in the goods/services that people produce from the population over a period of time.

Answer: Economic growth means that consumers are spending more money.

I want to study marine life, like dolphins and sharks. I should learn about _____.

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I want to study marine life, like dolphins and sharks. I should learn about oceanography.

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What object in our solar system has the greatest gravitational pull, and why?Mercury, because it's the smallest planet in the solar system.
The moon, because it's able to keep Earth balanced on its axis.
Earth, because it's able to keep water and an atmosphere that supports life.
The Sun, because it's the largest body in the solar system.

Answers

The correct answer is - The Sun, because it's the largest body in the solar system.

The Sun is the center of the our solar system. It is the only star in it, and it is the only objects that radiates light and heat from it, while all the other objects are cold objects that are dependent on it for their temperatures.

Also, the Sun is by far the biggest object in the solar system, thus it has the biggest mass, and that gives it its very big gravitational pull, which is much bigger than the second biggest of the planet Jupiter.
The sun. The greater a mass, the stronger the gravitational pull. Since, the sun has the largest body in our solar system, it will also have the greatest gravitational pull. Good luck!

What is the capital of the state that shares it longest border with Nevada

Answers

The state that shares the longest border with Nevada is California. So it's capital is Sacramento.
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Why is the amazon rain forest so hot next to the equator?

Answers

Because you mentioned the equator, that's part of the answer. The amazon is hot because it is by the equator. The equator is one of the hottest places on the earth because the sun's rays are very close to it or on it. That's why it's hot

it is so rainy because it gets more sunlight than other countrys closer to the equator believe it or not the amazon was a dessert a thousand years ago while the sahara was a rainforest but due to the earths change in rotation this reversed and so the amazon had more sunlight and so more rainforest sprang up.

In a laboratory 178.8 g of water is separated into hydrogen gas and oxygen gas. the hydrogen gas has a mass of 20.0 g what is the mass of the oxygen gas produced?

Answers

Below is the solution:
n equation showing conservation of mass of reactants and products: 
2H2O --> 2H2 & O2 

what is the mass of the oxygen gas produced, from 178.8 g H2O , (using molar masses: 
178.8 g H2O @ (1mol O2)(@ 32.00 g/mol) / (2molH2O)(18.02g/mol) = 
your answer (4 sigfigs): 158.8 g O2 

178.8 g H2O ---> 20.0 H2 & 158.8 O2

To find the mass of the oxygen gas produced, we can subtract the mass of the hydrogen gas from the total mass of water. Therefore, the mass of the oxygen gas produced is 158.8 grams.

Given:

Mass of water = 178.8 g

Mass of hydrogen gas = 20.0 g

To calculate the mass of oxygen gas:

Mass of oxygen gas = Mass of water - Mass of hydrogen gas

Mass of oxygen gas = 178.8 g - 20.0 g

Mass of oxygen gas = 158.8 g

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