Quiz number 6 Flashcards

1
Q

Humus is important because

A

Helps in soil moisture

provides nutrients

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2
Q

Which climate or landscape would have the best developed soil

A

Temperature wet dry

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3
Q

Which climate has the fastest weathering rates

A

Rainforest

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4
Q

The most important form of physical weathering in northwest is

A

Freeze/thaw

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5
Q

Burrowing organisms (e.g.) earthworms are important in soil formation because they

A

Mix materials
open up the soil for Oxygen
provide organic material (humus)
Keep the soil from compacting

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6
Q

Type of metamorphism associated with mountain building

A

Regional

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7
Q

Hydrothermal

A

chemical fluid

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8
Q

contact

A

magma

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9
Q

In foliated metamorphic rocks minerals grains are lined up in what direction

A

Perpendicular

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10
Q

blank is the parent material of slate

A

shale

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11
Q

A non foliated metamorphic rock composed of calcium carbonate is

A

Lime stone

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12
Q

In which of the major rock groups do rocks normally form at temp of 300-600 degrees

A

metamorphic

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13
Q

granite can turn directly into

A

GNEISS

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14
Q

which mineral will dissolve readily in water

A

NaCI

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15
Q

Soil layers top to bottom

A
O
A
E
B
C
R
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16
Q

which letter are organic material

A

O,A,R