A star that looks bright in the night time sky might really be a very dim star that happens to be nearby; conversely, a faint star might really be a very luminous star that is extremely far away. Astronomers need to know the true brightness of stars; the true brightness tells us how much power is emitted from the surface in the form of starlight, and it can be calculated once the distance to the star is known. What process causes stars to emit light energy?

A. nuclear fusion
B. oxygen fusion
C. oxygen fusion
D. hydrogen fusion

Answers

Answer 1

Answer: it would be

A. nuclear fusions!

Explanation: glad to help!

Answer 2
A. Nuclear fusion is the correct answer

Related Questions

8. Based on the map of the area where the Kurds live
(above), they are most accurately classified as -
(A) Nation-State
(B) Multinational State
(C) Unitary State
(D) Stateless Nation
(E) Microstate

Answers

Answer:

D

Explanation:

They live in a territory and do not have a permanent area in where they have a state only a nation.

2. . Why did scientists prior to 1977 believe that only very basic life forms
existed in the deep ocean? *
10 poin

Answers

They believed that there are only basic life forms in the deep ocean because they thought that there was no substantial food source for them.

Answer:

They believed that there are only basic life forms in the deep ocean because they thought that there was no substantial food source for them. Marine snow provided food for the animals.

I hope this helped have a great day! :)

DDT is used to kill mosquito caterpillar that carries malaria but it affected the ecological balance and the whole food chain in natural ecosystem. houseflies died when they fed on the dead caterpillars. This in turn killed little lizards when they fed on dead houseflies. Finally, the cats that eat the dead lizards died of ddt poisoning. The effect was invasion of dwelling with more and more rats raiding the house for food and carrying the plague.
Negative feedback
Positive feedback
Or neither

Answers

Answer:

Negative feedback

Explanation:

I just weighed out the positives and negatives in my head and there were more negatives

PLEASE PLEASE HURRY!!!!! Calculate the average speed of the entire trip from Chicago to New York City.
55 mph
65 mph
60 mph
50 mph

Answers

  230  MPH

Explanation:

Answer:

Average: Sum of All observation ÷ Total Number of Observatoin

Thus we can find Average by:

(55+65+60+50)÷4

= 230÷4

= 57.5

Thus, 57.5 mph will be the average speed

What makes the rate of condensation quicker?
High humidity b) Low humidity

Answers

High humidity is the correct answer


South Africa is a global hub for which
mining industry?

1. diamond
2. oil
3. silver​

Answers

2.) Oil

i hope this helped! please mark me as brainliest and 5 stars >:)

Answer:

diamond

Explanation:

South Africa is rich in a variety of minerals. In addition to diamonds and gold, the country also contains reserves of iron ore, platinum, manganese, chromium, copper, uranium, silver, beryllium, and titanium

Where are most of the countries in the European Union located?

Answers

Answer:

Brussels

The Council of the European Union has its seat in Brussels, except during April, June, and October, when meetings are held in Luxembourg City. The European Commission also has its seat in Brussels, although some departments are hosted by Luxembourg City.

Explanation:

 which condition is likely to occur when warm moist air rises it to the atmosphere and cools

Answers

Answer:

Rain or condensation

Explanation

When sun hits water it becomes warm like all things the sun does. when the water becomes warm enough evaporation happens the water vaporizes into small air bubbles called steam this steam rises up and forms a bond with more steam creating a cloud

What is longitude A. It is the distance north or south from the equator B. It is the distance between the North Pole and the South Pole C. It is the distance between the equator and the prime meridian D. It is the distance east or west of the prime meridian​

Answers

The answer is D :) Hope this helps

Which of the following is NOT a major river that flows through China
Ganges
Huang He
Yangtze

Answers

Answer: Ganges River

Explanation: The Yellow River (Huang He River) and The Yangtze River (Chang Jiang River) are the two river systems that produce freshwater to the farming regions of China so they are major River.

The Ganges river flows through india, not china so A is the answer

An earthquake that occurs in a region underlain by igneous rocks is more likely to experience large-magnitude earthquakes than an area underlain by sedimentary rocks because:

Answers

Answer:

Igneous rocks necessitate extra stress distribution throughout order to exceed their toughness, and could therefore collect the most stress concentration.

Explanation:

The further the power of the strain would be decided to update when the explosion happens. As an outcome, an earthquake that usually happens in what seems like a continent underscored by igneous rocks seems to be inclined to witness a major earthquake than even a location underscored by rock layers.

4. Which groups have been gaining more local power
around the world as a result of devolution?
(A) French-speaking people
(B) Spanish-speaking people
(C) Urban women
(D) Indigenous people
(E) Recent immigrants from

Answers

Answer:

(D) Indigenous people

Explanation:

Devolution means that power is delegated to the lower stances of the governance, such as local and regional institutions, instead of being centralized by the president, cabinet, and the other leaders. This way, minor communities can take charge of their own organizing, resources, and regulations the way they find most fitting.

Devolution is extremely helpful for indigenous people. As indigenous communities, like Native Americans or Aborigines, tend to live in their own groups and their own land, devolution means they get to control the land and resources so they would maximize the benefit. They can also adopt the governance according to their traditional codexes and beliefs.

The star on the following map is pinpointing what geographical feature?

The Ural Mountains

The Caucasus Mountains

The Sayan Mountains

The Caspian Sea

Answers

Answer:

Correct answer is The Ural Mountains.

Explanation:

The Caspian Sea is not correct answer as sea is marked with blue color.

The Sayan Mountains are more to the east, closer to the border with Mongolia.

The Caucasus mountains are between Caspian and Black Sea and that also is not correct.

Therefore, the only correct answer is Ural, as this mountains are also natural border between Europe and Asia.

I have to unscramble these endangered animal names. Please help me.

1. kliwblas lettur
2. anigt andap

Answers

Answer:

Giant panda

Hawksbill Turtle

Explanation:

BRANILEST PLEASE I GOT IT FIRST

12o
L
on
ASSIGNMENT
Explain two effect each
and low temperature.
high​

Answers

Answer:

Atmospheric temperature is the graduation of heat that takes place in a specific place on the planet. The higher the heat, the higher the temperature, and conversely, the lower the heat, the lower the temperature.

High temperatures influence the climate by lowering the ectopascal pressure and increasing the humidity of the environment, since it evaporates the water that is on the surface, generating clouds and eventual rains. The opposite occurs with cold temperatures: ectopascal pressure rises, and humidity decreases.

Why does a small percentage of the country's population live in China's West?

Answers

While China's population has held steady through that time, the economic growth has driven people from the country's interior farmland to the coast, and the combination of industrialization and a swelling coastal population is taking its toll on the marine environment, according to the researchers.

Due to unfavorable climate and soil for farming and production, Western China is not conducive to living. Due to this, China's western regions are sparsely populated compared to other parts of China, where production and farming are more conducive.

The eastern, coastal provinces are much more densely populated than the western interior because of the historical access to water.

The Anthropocene represents the first time that humans have played a pivotal role in the functioning of Earth as a system. There are both positives and negatives of this fact, and it is our responsibility to ensure that the positive impacts outweigh the negative ones in the future. For the options below, decide whether each is a negative or a positive outcome of humans' role in the Anthropocene.
Drag the appropriate items into their respective bins
View Available Hint(s)
Reset Help
Now that humans have recognized how destructive unrestrained growth can be, they have set aside vast swaths of natural areas to be protected, such as Yosemite National Park
Burning fossil fuels by driving cars has led to large increases in air pollution, which has altered atmospheric chemistry and led to warmer air temperatures.
As cities grow, more people have access to amenities that are harder to access in rural areas, such as state-of-the-art health care
Humans have figured out how to selectively breed crops so that they have higher yields, allowing more people on the planet to be fed
Clearing forested land so that cities can expand has resulted in many plants and animals becoming extinct as their habitat is destroyed
Positive impact Negative impact
Submit

Answers

Answer:

Positive impacts are those that have either improved environmental sustainability or have improved the quality of human life.

Negative impacts will be those that are destroying the environment and are contributing negatively to human standard of living.

Positive Impact

Now that humans have recognized how destructive unrestrained growth can be, they have set aside vast swaths of natural areas to be protected, such as Yosemite National Park.As cities grow, more people have access to amenities that are harder to access in rural areas, such as state-of-the-art health care. Humans have figured out how to selectively breed crops so that they have higher yields, allowing more people on the planet to be fed.

Negative impact.

Burning fossil fuels by driving cars has led to large increases in air pollution, which has altered atmospheric chemistry and led to warmer air temperatures.  Clearing forested land so that cities can expand has resulted in many plants and animals becoming extinct as their habitat is destroyed.

Find the length of the third side. If necessary, round to the nearest tenth.
24
25

Answers

Answer:

7

Explanation:

a^2 + 24^2 = 25^2

a^2 + 576 = 625

        -576   -576

625 - 576 = 49

square root of 49 = 7

Hence, your final answer is 7. Hope this helps!

Economic development in Uruguay was impacted by its geography. Select the best example of economic foundations in Uruguay affected by geography directly.

Answers

Answer:

Uruguay is a country in South America, located north of the Rio de La Plata, bordering Argentina and Brazil, the two largest countries in the subcontinent. Its physical geography is eminently flat, without significant elevations or depressions of land, with ideal humidity and temperatures for the development of agriculture. For this reason, the country bases a large part of its productive network on primary production, especially agriculture and livestock, its main activities being the production of cattle, wheat and soybeans.

4. Within a population, variation affects the likelihood of an individual to
survive and reproduce. Variation within a population is caused by what
source? *
A. mass extinction
B. genetic material/DNA
C. artificial selection
D. environmental change

Answers

B.) genetic material/DNA

Answer:

The answer is changes in the genetic/DNA material

Explanation:

I just did the test lolz

What is the significance of the "Elastic Clause"?

A) Congress has additional unwritten powers it can exercise at any time.

B) Congress has the power to make all laws necessary and proper to carry out its delegated powers.

C) Congress can do anything that a majority of its members in both houses decide to do.

D) Congress is not subject to the Constitution.​

Answers

I think it’s c

Explanation: I don’t know

Which of the following types of countries are most likely challenged with the problems associated with a large youth dependent population, such as providing public primary education for all
children?

Answers

Answer:

Less developed countries

Explanation:

Less developed countries are the countries that lag behind in terms of development and national income. The income of such countries are so low that they face many challenges for the smooth running of the economy. Public education, heath facilities, housing facilities, standard of living, technological advancements are some of the major fields in which these countries fall behind. The country is also termed to be poverty stricken.

All the planets in our solar system have more or less the same _________________.

Answers

Answer:

plane

Explanation:

its more or less in the same plane I'm pretty sure


Did the Europeans have a moral right to change the religious structure of the New World?

Answers

Answer:

no it was unfair because they took away their culture language and even their religion. Europeans forced indigenous people to change and took away their land.

The Europeans have not any moral right to change the religious structure of the New World. This statement is not correct.

What is religious structure?

A religious structure includes the Theologies, creeds, practices, rituals, religious order, and symbols.

The combination of the elements is called the religious structure. There is no moral right given to any person to change the religious structure of  the person of the New World.

This is due to the fact that they removed their culture, language, and even religion.

Therefore, the given statement is incorrect.

Learn more about the religious structure, refer to:

https://brainly.com/question/5015857

How are fossil fuels used to create energy​

Answers


Fossil fuel power plants burn coal or oil to create heat which is in turn used to generate steam to drive turbines which generate electricity. ... In 2017, fossil fuels generated 64.5% of electricity worldwide. These plants generate electricity reliably over long periods of time, and are generally cheap to build.

Answer:

Fossil fuel power plants burn coal or oil to create heat which is in turn used to generate steam to drive turbines which generate electricity. ... In 2017, fossil fuels generated 64.5% of electricity worldwide. These plants generate electricity reliably over long periods of time, and are generally cheap to build.

Can anyone tell me the summary of poem autumn song​

Answers

Answer: The "Autumn Song" describes the sadness that comes and prevails as the autumn comes. The poem has a theme of depression and lifelessness that comes with the coming autumn. The poet says his heart begins to sink with grief and sorrow as the autumn leaves begin to fall.

Hope this help:)

what are horse latitudes?

Answers

Answer:

What are horse latitudes?

Explanation:

a belt of calm air and sea occurring in both the northern and southern hemispheres between the trade winds and the westerlies.

Answer:

a belt of calm air and sea occurring in both the northern and southern hemispheres between the trade winds and the westerlies.

Explanation:

As an air mass rises in the troposphere, which of the following DOES NOT happen?
(a) Pressure decreases
(b) Pressure increases
(c) Dew Point temperature is often reached
(d) Temperature decreases

Answers

Answer: B

Explanation:

As you go up in elevation, the amount of “air” pressing down on you lessens. Think of standing at the base of a mountain in an invisible tube. The tube is filled with “air” pressing down on you. Now imagine that you are in that same tube but at the top of the mountain. The “air” in the tube above you is less, meaning less pressure pushing down on you.

Maton
is the transfer of thermal energy through liquid
2)
or gasses.
convection
conduction
3)
is the transfer of thermal energy through dire
contact.
4) Earth's shape and tilt cause uneven heating of the Earth by the
(moving ocean wate
causes
(moving air) and
Generally, the
of the Earth receive least amount of solar energy -
the
receives the most amount of solar energy.
5) barometer
-- megsures air pressure
Thursday
Convection currents are formed in the atmosphere when cold air pushes warm air upv-
Which property of the air is MOST responsible for the formation of convection currents?
chemical composition
E

Answers

Answer: 3

Explanation:

Explain toponym, site, and situation.

Answers

Site is the exact location of a city, you can find it on a map. The situation of a city relates to its surrounding features, both human-made and natural. ... The site is the land that the city was built upon. The situation contains the surrounding areas of the city.

Answer:

The site is the property upon which the city was founded. The scenario involves the surrounding areas of the town. A city's condition refers to its surrounding aspects, both man-made and natural. The site is the precise location of a city, and can be seen on a map.

Explanation:

The site is the property upon which the city was founded. The scenario involves the surrounding areas of the town. A city's condition refers to its surrounding aspects, both man-made and natural. The site is the precise location of a city, and can be seen on a map.

Other Questions
Pls answer correctly i will mark brainliest! Question 4 points)Janine has a container of baking chocolate. One container weighs 4/5 pounds. The other container weighs 13/15 pounds. How many pounds ofbaking chocolate does janine have?Pls I need it now thank you when people are happy they are full of What is the difference between 5/6 5/12? Use the fraction strip to help.A. 0B. 5/12C. 7/12D. 5/6 What power or what 10 does that equal Please help meeeeeee How many carbon atoms are represented by Mg(HCO3) Determine the correct value of 3x + 2 when x = 5. Show your work Which of the following wars or conflicts allowed American farmers to make a great deal of money?Chechen-Russian conflictWorld War ll World War IEritrean and Ethiopian Based on the cell theory, which of the following is true? (5 points)All cells are too small to be seen.All living things are made of cells.Small organisms have more cells than large organisms.Large organisms have larger cells than small organisms g(x) = -f(x + 3)?what is the vertex? what direction is the wind coming from if the tail is going south west? The shaded area on the grid represents the part of a rectangular wall that was painted. Each small square on the wall has the same dimensions. What percentage of the wall was painted? Evaluate the expression r + x2 for r = 4. - 9 f ( 1/3 f) + 2/3 *Theme, subject, topic, and main idea are the same.truefalsesometimes Which health benefit occurs immediately after a person quits using tobacco?blood pressure fallsbreathing becomes easiercirculation improvescilia regain normal function 2. Write and solve an equation for each situation.Justin and Marcus went for a bike ride. Together they rode a total of 28.6 miles. If Justin rode 14.4miles, how many miles (m) did Marcus ride? * help plz solve the triangle. round decimal answers to the nearest 10th. please help with this..........