why are days and nights equal everywhere on 21st march and 23rd september?​

Answers

Answer 1

Answer:

The event known as equinox is eagerly awaited by space enthusiasts as it takes place twice a year on March 21 and September 23. Days and nights are equal at all places on earth on March 21 because on this day sun rays will fall in the vertical direction towards the equator or at the center position of the earth.

Explanation:

Answer 2

Answer:

Nights and days are equal because on this dates we have spring equinox and autumn equinox that are happening only twice per year.

Explanation:

Of course, we need to have in mind that southern and northern hemisphere are having different seasons. So when it is winter in the northern hemisphere, there is summer in the southern, and vice versa.

Still, of course while on 21st of March on the northern hemisphere we have spring equinox, on the southern one we have autumn equinox.

It goes the same for 23rd September, only the seasons are different.


Related Questions

what is the biggest diffence between the geocentric and heliocentric models of our solar system?​

Answers

Answer:

According to geocentric Earth is the center of universe, and everything revolves around it, while according the heliocentric model sun is the center of universe and everything revolves around the sun.

Explanation:

Geocentric model was mostly used during the medieval period because the theory was supported by the church. Although ancient Greek philosophers already presented heliocentric theory, it was not until the period of Copernicus and Galilei this theory was widely accepted.

What is an epoch?
Explain what it means

Answers

ep·och - noun

a period of time in history or a person's life, typically one marked by notable events or particular characteristics.

"the Victorian epoch"

If a ship is sailing on an ocean and it is 2:00 pm at the prime meridian and 10:00
am on the ship, what is the longitudinal location of the ship? [Hint:longitude can be only E or W]

Answers

Answer:

The longitude of the location of the ship is W

Explanation:

Here we have the time at the prime meridian as 2 pm while the time at the ship is 10 am

What this means is that the prime meridian is 4 hours ahead of the time of the location of the ship.

Geographically, whenever a location is east of the prime meridian, it is ahead of the prime

meridian on time

If however a location is west of the prime meridian, the prime meridian is ahead of it on time

In this question, we can see that the prime meridian is ahead in time, so automatically the location is west of the prime

meridian

So therefore, its longitude is W

To determine, if a ship is sailing on an ocean and it is 2:00 pm at the prime meridian and 10:00 am on the ship, what is the longitudinal location of the ship, the following logical reasoning must be performed:

The time zones move across the world map from left to right, that is, from west to east. Thus, the west will always be a smaller time zone than the east.

Therefore, if it is 2 PM (14:00) at the prime meridian and 10 AM on the ship, the ship is west of the prime meridian.

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How does the character of the bachelor add to the satire of "The Storyteller”? His character provides humor in the story by revealing human weaknesses. His character is greatly exaggerated to make fun of single men such as himself. He exposes the aunt’s flaws by telling an improper story that occupies the children. He exposes the aunt’s hypocrisy and ineffectiveness by being mean to the children

Answers

Answer:

C- he exposes the aunt's flaws by telling an improper story that occupies the children

Explanation:

i just did it

Answer:

c

Explanation:

What are the elements contained in carbohydrates?

Answers

Answer: hydrogen, oxygen

Carbohydrates contain water, which is also known as hydrogen. Oxygen is produced from water, so these two elements are in carbohydrates.

Hope this helps you!

How have mangrove trees adapted to their environment?
A.
They obtain water from coastal fogs.
B.
They can go long periods without rain.
C.
They give off moisture used by other plants and animals.
D.
They have woody roots that prop their branches and leaves above the salty water.


Please select the best answer from the choices provided

A
B
C
D

Answers

The answer is D:

The roots of many mangrove trees are adapted to stop the intake of the salt from the water before it reaches the plant.

Answer:

DDDDDDDDDDDDDD

Explanation:

What is a powerful and destructive rotating tropical storm
forming over warm water near the equator?

Answers

Answer:

A hurricane is a powerful, rotating storm that forms over warm oceans near the Equator

Hurricane ofc , massive distructions

What are the four landforms that make up North America?

Answers

Answer:

the mountainous west, the Great Plains, the Canadian Shield and the Caribbean

Explanation:

hope this helps;)

Which geographical region is located right in the middle of African continent

Answers

Answer:

Savannas, or grassland

Explanation:

How does Europe compare in size to the other continents of the world?
OA.
It is the second smallest continent.
OB.
It is the largest continent.
Ос.
It is the smallest continent.
D. It is the second largest continent.

Answers

it is the second smallest continent

A. it is the second smallest continent

Which of the following is an accurate description of the climate in Central America and the Caribbean?
a hot and dry
c. humid and cool
b. hot and humid
d. cold and dry

Answers

Answer:

The climate in Central America and the Caribbean is hot and humid.

Explanation:

A is not correct because there aren't areas in these two regions that are dry, let alone all of them.

B is correct because the climate in both of these regions is hot all year round, and the precipitation levels are also relatively high all year round, and this should not come as a surprise considering that they are located in a tropical zone and surrounded by water.

C is not correct because these two regions are hot, not cool.

D is not correct because these two regions are neither dry nor cold.

Answer:

c

Explanation:

Why does the sun have a greater apparent magnitude than absolute magnitude?

Answers

Answer:

Hello!!! Princess Sakura here ^^

Explanation:

The sun only appears to be the brightest star but only because it's the closest star.

Match the empire with one of its famous leaders:

1. Aksum Caesar Augustus
2. Persia Hammurabi
3. Assyria Ezana
4. Greece Cyrus
5. Nubia Piankhi
6. Babylon Shalmaneser III
7. Rome Alexander

Answers

Answer:

Askum - Ezana

Persia - Cyrus

Assyria - Shalmaneser III

Greece - Alexander

Nubia - Piankhi

Babylon - Hammurabi

Rome - Caesar Augustus

which star is at the coordinates 24 north and 65 east?

Answers

Answer:

It's A

Explanation:

The star is A because it is the furthest away

The world’s worst civilian crisis was the_____in 1984

A)the United Kingdom
B)the United States
C)Bhopal disaster
D)Chernobyl

Answers

i think the answer is B.
hope this helps x

Convection causes large masses of rock to rise from and sink into Earth's mantel. The main heat source for this movement is
1.Earth's maritle and core.
2.Friction produced by plate motions.
3.Radiation from the sun
4.Magma in Earth's crust.

Answers

Answer:

magma in Earth's crust

Explanation:

the magma comes with such force hence either forces the earth to sink or raise

Convection causes large masses of rock to rise from and sink into Earth's mantle. The main heat source for this movement is magma in Earth's crust. Thus, option '4' is the correct option.

What is the source of heat in the mantle?

The earth's long-term secular cooling, internal heating brought on by the decay of radioactive potassium, uranium, and thorium isotopes, and heat from the core are the three main sources of thermal energy for mantle convection. On a planetary scale, mantle convection may be thought of as a thermal engine that moves heat from the earth's interior to the surface.

The speed at which this heat transit takes place controls the pace of the evolution of the solid earth. Heat flow is by far the biggest type of energy transfer, and thermal energy is by far the most significant kind of energy accessible in the mantle for convection and other dynamical processes.

Learn more about the mantle, here:

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Which of these provides the best evidence that Earth's crust is divided into tectonic plates?
A. the distribution of earthquakes on Earth's surface
B. the distribution of water on Earth's surface
C. the distribution of rock types on Earth's surface
D. the distribution of biomes on Earth's surface

Answers

Answer:

Your answer is A) The distribution of earthquakes on Earths surface.

Explanation:

The evidence that shows that Earth's crust is divided into tectonic plates is  the distribution of earthquakes on Earth's surface

Tectonic plates can be regarded as pieces of Earth's crust as well as uppermost mantle, which is been regarded as as the lithosphere.

One of the evidence about how Earth's crust is divided into tectonic plates is the distribution of earthquakes on Earth's surface.

Therefore, option A is correct.

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In general, what is true of the alpha star in a constellation?
Group of answer choices

It is the westernmost star in the constellation.

It is the easternmost star in the constellation.

It is the star that is closest to Earth.

It is the brightest star in the constellation.

It is the reddest star in the constellation.

Answers

Answer:

An alpha star is the brightest star in the constellation.

Explanation:

The first option is not correct because this type of star is not identified as such because of its location in the constellation.

The second option, as the first one, is not correct because the location of this type of star has nothing to do with its identification as such.

The third option is not correct because the distance from Earth is not taken into account when a star like this is identified.

The fourth option is correct because an alpha star is a star that is brightest in the constellation, and it can be located anywhere in it, and it can be of any color a star can be.

The fifth option is not correct because the color of the star can be of any type, but what matters the most is how bright it is compared to the other stars in the constellation.

Unit 3a plate tectonics study guide

Answers

Answer:

Explanation: for what is the question

huh....


beiswodkwowodnewkdkdj

Write in the purpose of the festival.
The main feature of weeklong festival of Paryushan is

Answers

Paryushana is the most important annual holy event for Jains and is usually celebrated in August or September in Hindi calendar Bhadrapad Month's Shukla Paksha. Jains increase their level of spiritual intensity often using fasting and prayer/meditation to help. The five main vows are emphasized during this time.

Answer:

Paryushan means "coming together", and the main thing Jains do during Paryushan is study and fast. On the last day, Jains ask for forgiveness for any offenses they may have committed in the past year, knowingly or otherwise.

Explanation:

The presence of mosques in the United States is an example of how a country’s culture can be modified through — cultural divergence cultural divergence cultural imperialism cultural imperialism diffusion diffusion assimilation

Answers

Answer:

Cultural divergence.

Explanation:

The presence of mosques in the United States is an example of how country's culture can be modified through Cultural divergence because cultural divergence entails appreciating the society that the society consist of group of people who have different skills, interest ,needs and talents which also help to recognise that different people in the society have different religious beliefs. It also entails that people in the society with different races have different sexual orientations, skills e.t.c.

Select all that apply. The four stages of a civilization are _____. beginning senior birth adulthood adolescence growing pains

Answers

Answer:

Birth, Growing Pains, Adulthood, and Senior.

Explanation:

Civilizations go through four stages. Birth, growing pains, adulthood, and senior. Birth is when a leader emerges, a political state is formed, and the state grows stronger and aquires more territory. Growing pains is when the state comes into conflict with it's neighbors. After years of warfare, the state grows control of a whole region. In adulthood, the state experiences a period of peace and posterity. Finally, the senior stage is when warfare and rebellion cause serious problems. The state isn't strong enough to maintain itself, it collapses. 

(Pls give brainliest :))

We know that the four stages of civilization are:

Birth.Growing pains.Adulthood.Senior.

What are the stages of civilization?

This refers to the stages that human society go through as it grows up from infancy to adulthood.

The first stage is birth, then the society continue to grow and suffer growing pains that relate to establishing itself. They then enter adulthood for a long time and then end up as seniors.

Find out more on civilization at https://brainly.com/question/1756283.


Which of the following country demographics would be used to explain the need for the pronatalist policies shown?

Answers

Answer:

A country with a birth rate of  43 , a death rate of  12 , and a rate of natural increase of  3.1 , passes a law that requires paid maternity leave.

Explanation:

pro means for

which location experiences the greatest range in daylight hours throughout the year

a.anchorage, AK
b.Chicago, IL
c. Quito, Equador
d. Melbourne, Australia

Answers

Answer:

Anchorage, AK, experiences the greatest range in daylight hours throughout the year.

Explanation:

The daylight patterns throughout the year differ from place to place. The biggest factor is the latitude. The basic rule is that the closer a place is to the Equator the smaller the difference in daylight hours, and the further away it is the greater the range in daylight hours. This is due to Earth's inclination, where the higher latitudes get more affected throughout the year, while the lower latitudes have little to no difference.

Anchorage is the place that is furthest away from the Equator, thus it experiences the most daylight in summer, and the least daylight in winter, making a big difference between the two. Chicago comes in second and Melbourne third, while Quito has the smallest range of daylight because it is right next to the Equator, so the daylight is almost the same all year-round.

Emission lines are lines that are made when wavelengths of light are given off by cooling gases.
O True
O False

Answers

True. An emission line will appear in a spectrum if the source emits specific wavelengths of radiation. This emission occurs when an atom, element or molecule in an excited state returns to a configuration of lower energy. :)))

benefits of studying organisms in a classroom habitat compared to organisms in their natural habitat?

Answers

It helps you understand living space and how organisms adapt

Benefits of studying organisms in a classroom habitat compared to organisms in their natural habitat is that it reduce the risk of any hazard or injury in the environment.

What is an habitat?

A habitat is an evironment that is best suited for the survival of an organism.

Here all the requirements for survival is there especially for an animal including foods and shelter.

Therefore, Benefits of studying organisms in a classroom habitat compared to organisms in their natural habitat is that it reduce the risk of any hazard or injury in the environment.

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may I have help please ​

Answers

yes you can, for which one both?

Please help, will reward brainliest! Thank you!
Look at picture^^

Answers

Answer:

It's called the canopy

Explanation:

why do geological activities such as earthquake, volcanism and mountain formation happen to be confined on certain places around the globe?​

Answers

Answer:

i dont know it is correct or not. sorry if the answer is wrong

Explanation:

When Alfred Wegener first proposed the idea of continental drift (the precursor idea to plate tectonic theory), it didn’t quite explain the full story. While he correctly showed that Africa and South America fitted together, his model wasn’t able to explain the violent forces that occur around the Earth’s crust.

The geological activities mentioned are found in the meeting areas between the tectonic plates.

Volcanism is

A geological phenomenon in which molten rock erupts from the center of the Earth toward the surface through a volcano It is located between two tectonic plates

An earthquake is

A geological phenomenon in which movements of the Earth's crust Occurs by accumulated energy in the tectonic plates

Orogenesis is

A geological process in which mountains are formed. In this process, the Earth's crust fractures fold and modify as a result of the lateral force of the tectonic plates

These geological processes are originated from the dynamics of the tectonic plates that produce movements in the interior and exterior of the Earth.

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is singhalese a language

Answers

Answer:

No but Sinhala is

Explanation:

Hope this helps!!

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Emma's friends constantly ridicule her because she is still a virgin. What should Emma do in such a situation?OARidicule her friends about their decisions about sex.OB. Clearly share her values about sex and ask that her friends respect her boundaries.OC. Give in to the pressure and have sex to please her friends. In an effort to make childrens toys safer and more tamperproof, toy packaging has become cumbersome for parents to remove in many cases. Accordingly, the director of marketing at Toys4Tots, a large toy manufacturer, wants to evaluate the effectiveness of a new packaging design that engineers claim will reduce customer complaints by more than 10 percentage points. Customer satisfaction surveys were sent to 220 parents who registered toys packaged under the old design and 220 parents who registered toys packaged under the new design. Of these, 86 parents expressed dissatisfaction with packaging of the old design, and 41 parents expressed dissatisfaction with packaging of the new design.Let p1 represent the population proportion of parents that expressed dissatisfaction with the packaging of the old design and p2 represent the population proportion of parents that expressed dissatisfaction with the packaging of the new design. A. Specify the null and alternative hypotheses to test for whether the proportion of customer complaints has decreased by more than 5% under the new packaging design. 1. H0 : p1 - p2 < 0.10; HA : p1 - p2 > 0.10 2. H0 : p1 - p2 = 0.10; HA : p1 - p2 is not equal to 0.10 3. H0 : p1 - p2 > 0.10; HA : p1 - p2 < 0.10 B. What is the value of the test statistic and the associated p-value? C. At the 1% significance level, do the results support the engineers' claim? D. At the 10% significance level, do the results support the engineers' claim? 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Jack's dream of becoming a knight shows that you can doanything you put your mind to. 2. which of the following numbers is both an integer and a rational number?a. -17.6b. 17/2c. square root of -121d. square root of -1363. which number does not belong in the whole number box, but would belong in the natural box?a. -15/3b. -208.3c. 12d. 0 10) What story uses problem and solution?A) Sam and his friends were playing baseball, and Sam hit a home run over into the neighbor's yard. A big mean dog lived in the yard and he barked when Sam came near the fence. The dog was a large Labrador Retriever. His name was "Killer" and all the boys were very scared of him. B) Sam and his friends were playing baseball, and Sam hit a home run over into the neighbor's yard. A big mean dog lived in the yard and he barked when Sam came near the fence. Trevor suggested giving the dog a treat to calm it down. It worked and they were able to get the baseball. 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