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Nikolay [14]
3 years ago
12

ANSWER FIRST TO GET brains, at this many points OOOH!!!1

Geography
2 answers:
stellarik [79]3 years ago
8 0
Cairo I think because that is the capital of Egypt
I am Lyosha [343]3 years ago
3 0

Answer:

the answer is Cairo the capital of Egypt

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Which three religions all originated in India?
cestrela7 [59]

Answer:

Hinduism , Buddhism, Sikhism

Explanation:

all 3 of theese religions originated in india ad hinduishm nd Buhdism are still comonly practiced today.

5 0
2 years ago
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What is the greenhouse effect?
musickatia [10]
Green house effect is the trapping of heat by some gases ! mainly in our earth this is increasing due to CO2 !
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3 years ago
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THE
Luda [366]

Answer:

According to the nebular hypothesis, our solar system is formed from a huge  rotating cloud made mostly of helium and hydrogen.

Explanation:

The nebular hypothesis was proposed by I. Kant. It explains the formation and evolution of the Solar System. It is considered and accepted widely. The theory states that the Solar System was formed from a nebulous material. And as per nebular hypothesis, stars create the huge, dense clouds of molecular hydrogen. This hypothesis tries its best to describe the formation of the solar system from a nebula cloud that was made of a collection of dust and gas. It is also believed that the sun, planets, moons and asteroids were also born around the same time that is, around 4.5 billion years ago from a nebula.

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3 years ago
Definition of hemisphere
marusya05 [52]

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Hemisphere is a half of the celestial sphere.

Explanation:

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3 years ago
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Bowen’s continuous reaction series describes the crystallization behavior of a singlemineral (with variable chemical composition
FromTheMoon [43]

Answer:

C. plagioclase

Explanation:

From the magma silicate crystals are formed successively when the magma temperature reaches the typical melting temperature for each type of crystal. The first crystals formed at high temperatures can then change their composition or dissolve again. In this way the crystals already formed contribute their ions, molecules and atoms to magma and combine again forming new crystals whose melting temperature is lower than that of the first crystals formed. The new crystals are said to be stable at the lowest temperatures set now. These processes of change are called reactions. As several successive reactions occur as the magma temperature decreases the ordered series of reactions is called the BOWEN series in honor of the Canadian scientist who formulated this concept. There are two types of reactions, the continuous reaction and the discontinuous reaction.

<u> By continuous reaction a crystal formed at high temperatures such as a plagioclase rich in the Ca2 +</u> component gradually varies its composition by replacing a portion of the Ca2 + ions with the Na + ions and a portion of the Al3 + ions with the Si4 + ions. To maintain its neutrality, the replacement of Ca2 + by Na + is coupled with the replacement of Al3 + by Si4 +. The series of continuous reaction starts from the plagioclase rich in Ca2 +, passes through several plagioclase of intermediate composition towards the plagioclase rich in Na +

5 0
3 years ago
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