After it experiences a "helium flash" a star like the Sun will have a brief period of stability, fusing helium into carbon (and sometimes oxygen). During this brief stable stage, the star:_________a. Increases tremendously in luminosity.b. Gets to be even larger in diameter than it was as a red giant.c. Returns to the position on the H-R diagram that the star had in its main-sequence stage.d. Is able to fuse many of the heaviest elements (such as iron and gold) in its superhot core.e. None of the answers provided is the correct answer

Answers

Answer 1

Answer:

a. Increases tremendously in luminosity

Explanation:

The helium flash is a thermal nuclear fusion with large quantities of helium gas into carbon. During the red giant phase, the sun is predicted to have a flash 1.2 billion after it leaves the main sequence and this helium fusion cannot be produced by the low mass stars. The sun in this stage will burn out or run out of its fuel and eventually will lead to gravitational collapse.  The star being to shrink in size and core starts to collapse.

Related Questions

If the Earth-Sun distance were doubled, the intensity of radiation from the Sun that reaches the Earth's surface would

Answers

Answer:

the Earth-Sun distance were doubled, the intensity of radiation from the Sun that reaches the Earth's surface would If the Earth-Sun distance were doubled, the intensity of radiation from the Sun that reaches the Earth's surface would A. quadruple.N

Answer:

It would drop to 1/4

Because the sun would be farther away from the earth.

Hope this helps! (づ ̄3 ̄)づ╭❤~

New Faces, New Places: Mastery Test
Select the correct answer.
Which personality trait best fits the description?
Lupe estudia mucho y toma cursos avanzados en matemáticas y literatura.
A.
timida
В.
amable
C
estudiosa​

Answers

Answer: C. estudiosa​

Explanation;

The text mentions that Lupe studies very hard and even takes advanced courses in Math and Literature. The best personality trait to describe him is therefore Estudiosa which means Studious.

A Studious person is one who studies quite a lot in the pursuit of academic excellence. They spend a bulk of their time reading books as well in a bid to gain knowledge. Such people feel comfort when they read.  

Based on the population density maps above, what can be inferred about Britain’s migration patterns? A. The population of Britain was greater in 1701 than in 1911. B. Britain was more densely populated in 1911 than in 1701. C. Fewer people lived in urban areas in 1911 than in 1701. D. The northern part of the island was more densely populated than the southern part in 1701.

Answers

Answer: B. Britain was more densely populated in 1911 than in 1701.

Explanation:

In the map below, the darker colors are used to denote a heavier population density. Looking the map you will notice that there are more darker colors in 1911 then in 1701 which would mean that Britain as a whole was more densely populated in 1911 than in 1701.

This was down to Britain becoming a World Military and Economic power. These two factors meant that more prosperity was due to Britain which enabled it to reduce the mortality rate of its people in the so called Mortality Revolution.

Which of the following factors does NOT contribute to Turkey's economy?

Question 1 options:

textiles


hydroelectric power


oil


manufacturing

Answers

Answer:

oil

Explanation:

The turkey is a producer of natural oil and gas but the state-owned TPAO is not sufficient enough to make or contribute to the economy through turkey is a major export of apparel, textile, and manufactured transport equipment. Turkey imports machinery chemicals, semi-finished goods and fuel. The agriculture and manufacturing sector are the most dominant sectors.

Answer:

I took the test its OIL

Explanation:

Which planet has a greater mass than the combined mass of all the remaining planets and their moons?

Answers

Answer:

the planet (jupiter) has a greater mass than the combined mass of all the remaining pplanets and theor moons.

If you wanted to enjoy direct sun on Fogo Island in the tropical West African country of Cape Verde, which date would be best

Answers

The direct sunshine of Fogo island in western Africa can be seen best in the month of July and onwards.

What is the time to enjoy the direct sun on Fogo islands?

Fogo is the volcanic island found in Cape Verde, which is an area of about 476 km sq. and is about a distance of 2,829 meters in elevation. The island is found between the islands of the Santiago to the east and the Brava to the west.

The climate of the place is moderate tropical and has an annual temperature of about 25 degrees.

The time from July to the November is mainly dry and has warm thus it's the time when most of the island gets direct sunlight.

Find out more information about the enjoy the direct sun.

brainly.com/question/3005929.

Which type of rock can be either foliated or non-foliated?
A. Metamorphic
B. Sedimentary
C. Igneous

Answers

Answer:

A

Explanation:

metamorphic

Metamorphic rock
Hope it helps ❄️

Explain how the processes that create hot-spot volcanic chains differ from the processes that generate volcanic island arcs.

Answers

Answer:

Following are this difference to this question:

Explanation:

It is an interconnected tectonic plate for creating an island arc, in which sea plate sinks into the sea and some other, throughout the continental as well as oceanographic croutons a tourist hotspot volcanic eruption forms, in which lava explodes from its coat.  

These volcanos are often far from boundaries with plate lands, and All the types are restrained, however, the volcanic arches connect with the sea, whereas the island arches come into contact with the ocean.

5. How were Earth's core and mantle formed?

Answers

Answer:

God created the earth Genesis chapters 1 - 2

The granite dome in Twain Harte was damaged by the growth of ______________ joints, likely due to ________________.

Answers

Answer:

The granite dome in Twain Harte was damaged by the growth of exfoliation joints, likely due to thermal expansion.

What would be the most likely result of the development of a new subdivision in a remote area with no utility services provided by the county or nearby cities?

Answers

Answer:

The development of a new subdivision in a remote area would lead to the creation of a poor area, without development possibilities, especially since there are no utility services.

Geologists use epochs to further divide geologic eras and periods. Put the following epochs from the Cenozoic Era in chronological order, from the earliest to the most recent.a. Pliocene b. Paleocene c. Eocene d. Miocene e. Oligocene

Answers

Answer:

Earliest to Latest goes from: Pliocene, Miocene, Oliocene, Eocene, Paleocene.

Explanation:

All these times occur during the Cenozoic epoch.

According to Nostrand, Map 10.3, which of the following is not considered one of the three Ohio river ports that had natural advantages for town founding?
a. Cincinnati
b. Pittsburgh
c. Louisville
d. St. Louis

Answers

Answer:

d. St. Louis

Explanation:

St. Louis is a city situated along the western bank of the Mississippi River. Missouri is a state in the United States of america and St. Louis is located in this Missouri state. St. Louis is one of the largest urban areas of this state. Cincinnati , Pittsburgh  and Louisville  are the cities which are located on the bank of Ohio river while St. Louis located in different state along different river.

Discuss five
five of component of
a map​

Answers

Answer:

Title, a legend, a grid and a compass

Explanation:

The five components of a maps are a Title, a Legend, a Grid and a compass rose to indicate direction.

Here is a general sequence of events in the development of the Renaissance. Which statement BEST completes the second event? Event 1: Italy's location encouraged trade. Event 2: Event 3: Italy's families became art patrons. A. Italian merchants helped artists and writers study in Muslim lands. B. Italian merchants gained wealth and political power. C. The Renaissance spread beyond Italy to other countries in Europe. D. New Italian city-states emerged to sponsor the Renaissance.

Answers

Answer:

Event 1: Italy's location encouraged trade.

Event 2: Italian merchants gained wealth and political power.

Event 3: Italy's families became art patrons.

Answer:

Event 1: Italy's location encouraged trade.

Event 2: Italian merchants gained wealth and political power.

Event 3: Italy's families became art patrons.

Explanation:

A climate classification based on the geographic determinants of climate, such as latitude or elevation, is an example of a(n)'

Answers

Answer:

Genetic classification.

Explanation:

The genetic classification of climate is based on determinants of climate such as, location with respect to wind and pressure belts, latitudinal control of temperature, effects of mountains.

Genetic classification also relies on information about climatic elements like solar radiation, air masses, and pressure systems.

This classification is qualitative and climate is designated in a subjective manner with no rigorous scientific research done.

modern humans first appeared about __ years ago

Answers

Seven million




Hope i helped

Answer:

200,000 years

Explanation:

Pretty sure that was the answer on a-p-e-x

units use to measure temperature

Answers

Explanation:

Hey, there!!

Temperature is defined average kinetic enegry of the molecules contained in the body or substance. The SI unit of temperature is kelvin. We generally measure temperature in:

Fahrenheit (ranges from 32°f to 212° f)Kelvin (ranges from 273° k to 373° k)centrigrade ( ranges from 0°c to 100° c)

Hope it helps...

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