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DiKsa [7]
2 years ago
12

Why is standard time considered necessary ?​

Geography
2 answers:
Radda [10]2 years ago
6 0

Answer:

Because time varies with change in longitudes

rusak2 [61]2 years ago
5 0

Answer:Generally, standard time agrees with the local mean time at some meridian that passes through the region, often near the centre of the region. Historically, standard time was established during the 19th century to aid weather forecasting and train travel. Applied globally in the 20th century, the geographical regions became time zones.

Explanation:

<em>   </em>I'm Smart

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Create and answer two questions about aurora borealis
Bumek [7]

Two questions which arises in my mind about aurora borealis are:

  1. Why does aurora borealis occur?
  2. Why does aurora borealis occur in a particular time of the year?

Answers:

  1. As solar wind approaches the Earth, it meets the Earth's magnetic field. In the ionosphere, the ions of the solar wind collide with atoms of oxygen and nitrogen from the Earth's atmosphere. The energy released during these collisions causes aurora borealis.
  2. Aurora borealis is active the whole year. Since it needs to be dark in order to see aurora borealis in the sky, late August/September through the very beginning of April is the best time to go to a destination located in the aurora zone for a chance to see them.

Note: These are the questions which arises in my mind only. It may differ from person to person.

Hope you could understand.

If you have any query, feel free to ask.

4 0
2 years ago
Read 2 more answers
Explain scientifically how we know that Earth's crust is broken into pieces (plates). (explanations must be multiple sentences)
Mazyrski [523]

Answer and Explanation:

Earths crust is broken into plates called tectonic plates.  the plates move bc of  convection currents in the earths mantle.   convection currents are the movement caused with a liquid by the propencity of hotter and less dense matter to rise, and colder, thicker material to sink under the effect of gravitational pull, which as a result results in the transfer of heat.  As a result these are moved by the heat composed by the common natural blight of radioactive component in the earth.

8 0
2 years ago
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The appearance of hot spots and volcanoes at Earth's surface is evidence of
meriva

Answer:

Mantel-plumes.

Explanation:

Hope this helps :)

8 0
3 years ago
Ayudddaaa es para en den tro de 3 munutos doy corona
Andrei [34K]

The correct answer is B. Placas tectónicas.

Explanation

Las placas tectónicas son los fragmentos de la corteza terrestre que están flotando sobre las capas de roca fundida (conocida como la astenosfera). En la tierra existen al menos 15 placas principales y más de treinta placas de tamaño mínimo. Las placas están en constante movimiento por las corrientes convectivas de la astenosfera no que le da origen a fenómenos como los volcanes, los sismos, la formación de cadenas montañosas y dorsales oceánicas. De acuerdo a lo anterior, la respuesta correcta es la B. Placas tectónicas.

5 0
2 years ago
Why are the Galapagos Islands famous?
Colt1911 [192]
The Galapagos Islands are famous because it is where Charles Darwin discovered many previously unknown species of animals and inspired him to create the theories of natural selection, survival of the fittest, and evolution.
5 0
3 years ago
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