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Geography > World Earth > Flashcards

World Earth Flashcards

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1
Q

conrad discontinuity?

A

continental & oceanic crust

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2
Q

crust made of

A

Si Al

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3
Q

mantle made of

A

Si Ma

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4
Q

core made of

A

NiFe

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5
Q

mohovic discontinuity

A

crust & mantle

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6
Q

Asthenosphere

A

semi molten form
in mantle

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6
Q

Guttenberg discontinuity

A

mantle & core

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7
Q

lithosphere

A

Crust + upper mantle

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8
Q

continental drift theory?

A

Alfred wegner

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9
Q

__ Major tectonic plates

A

7

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10
Q

scales to measure Earthquake

A

Richter scale (0-10)
Mercalli (1-11)

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11
Q

Nor-westers in Westbengal

A

kal-baisakhi

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12
Q

Nor-westers in Assam

A

Bardoli chheerha

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13
Q

Blossom showers in karnataka

A

cherry blossom

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14
Q

Blossom showers in kerala

A

mango showers

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15
Q

Pre-monsoon showers

A

Norwesters , Blossom showers

16
Q

Months Indian calendar

A

Chaitra, Vaisakha, Jyeshtha, Ashadha, Shravana, Bhadra, Ashvin, Kartik, Margashirsa, Pausha, Magha, Phalguna
Cricket Virat JAS Bumrah Ashwin kartik

17
Q

Reflects solar flares ,shows magnetic properties

A

Outer core (molten form)

18
Q
A
19
Q
A
20
Q

Largest sea
Smallest sea

A

South china sea
English channel

21
Q

Largest ocean

A

Pacific (disc by Megallan)

22
Q

Highest salinity ocean
Least salinty

A

Atlantic
Arctic

23
Q

Trench in Atlantic ocean

A

Peutarica

24
Q

Deepest
Shallowest sea

A

Carribean sea
Persian Gulf

25
Q

Doubt ?
high and low tides a day

A

2 high 2 low
Time b/w tides 6hrs

26
Q

Neap tide

A

Sun earth moon at 90°

27
Q

Clodest layer in atmosphere

A

Mesosphere

28
Q

Space stations are located in

A

Ionosphere

29
Q

Troposhere height

A

13km
Poles 8
Equator 18

30
Q

Troposheric ozone

A

Pollution - Bad for environment

31
Q

Conduction
Convection
Advection

A

Vertical
Vertical
Horizontal transfer of heat (eg: loo)

32
Q

Ozone day

A

16th sep 1987

33
Q

Ozone layer height

A

30-35km height
Bhimavaram antha dhooram

34
Q

___ called Outer troposhere is

A

Mesosphere (T decrease)

35
Q

Karman line

A

B/w Earth atmosphere & Exosphere

36
Q

Coriolis force

A

North lo right ki
South lo left ki

Geography (6 decks)

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