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51
The mountains that separate European and Arctic Russia are
Discuss
Answer & Solution
Answer: Option D
Solution:
Ural Mountains, also called the Urals, Russian Uralskie Gory or Ural, mountain range forming a rugged spine in west-central Russia and the major part of the traditional physiographic boundary between Europe and Asia.
52
The main properties of cosmic ray particles are
Discuss
Answer & Solution
Answer: Option D
Solution:
There are 2 types, primary and secondary. Primary is radiation and secondary is particles like protons,etc. The properties are that they usually have really high energies and some can be more energetic than what is produced in the LHC. These rays are usually emanated from supernovae and the sun nearby.
53
The model that describes how various geological processes create, modify and influence rock is called
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Answer & Solution
Answer: Option C
Solution:
The rock cycle is a general model that describes how various geological processes create, modify, and influence rocks.
54
The magnetic field generated due to magnetic storm is directed in the ____ direction to the earth's main field.
Discuss
Answer & Solution
Answer: Option B
Solution:
The magnetic field generated due to magnetic storm is directed in the opposite direction to the earth's main field.
55
The main factor determining a region's climate is
Discuss
Answer & Solution
Answer: Option B
Solution:
The main factor determining a region's climate is latitude.
56
The moon orbits the earth at a mean distance approximately
Discuss
Answer & Solution
Answer: Option A
Solution:
The moon orbits Earth at a mean distance of just over 384,000km. The moon's orbit around Earth is also slightly eccentric – at perigee (its closest distance to Earth), it's a little over 362,500km from Earth, while at apogee (furthest from Earth), it is almost 405,500km away.
57
The mean radius of the earth is approximately
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Answer & Solution
Answer: Option B
Solution:
The Earth's mean radius is determined as the average distance from the physical center to the surface, based on a large number of samples. The value, symbolized rearth, is equal to approximately 6,371,000 meters (6.371 x 106 m). This is roughly 6,371 kilometers (km) or 3,960 statute miles.
58
Which of the following is a warm current?
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Answer & Solution
Answer: Option C
Solution:
Kurosiwo current
59
The major countries of central America are
Discuss
Answer & Solution
Answer: Option A
Solution:
Central America consists of seven countries: El Salvador, Costa Rica, Belize, Guatemala, Honduras, Nicaragua and Panama.
60
The main producers of free gas are
Discuss
Answer & Solution
Answer: Option C
Solution:
both (a) and (b)