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EARTH SCIENCE > Earth's Waters > Flashcards

Earth's Waters Flashcards

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Biology 101 flashcards
1
Q

also known as the sources of water

A

earth’s waters

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1
Q

majority, largest distribution of water

A

oceans

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2
Q

found in oceans and seas

A

saltwater

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3
Q

makes up 97.5% of earth’s water

A

saltwater

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4
Q

largest majority source in fresh water

A

glaciers

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5
Q

0.4% of the total water supply, but includes rivers, lakes, streams

A

surface water

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6
Q

they are part of the freshwater category

A

rivers, lakes, streams

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7
Q

sources of saltwater reservoir

A

oceans, seas, saltlakes

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8
Q

cover about 71% of the earth’s surface

A

oceans

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9
Q

contain approximately 97% of the earth’s water, major

A

oceans

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10
Q

smaller bodies of saltwater connected to oceans or enclosed by land

A

seas

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11
Q

examples of seas

A

Mediterranean, Caribbean, Arabian, West Philippine Sea

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12
Q

inland bodies of water with high salinity due to high evaporation and minimal freshwater inflow

A

salt lakes

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13
Q

examples of salt lakes

A

dead sea, great salt lake

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14
Q

one of the saltiest lakes

A

dead sea

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15
Q

the concentration of dissolved salts in water

A

salinity

16
Q

salinity is expressed in? ___________________________

A

parts per thousand (PPT)

17
Q

indicates how many grams of salt are present in 1,000 grams (1 liter) of water

A

parts per thousand (PPT)

18
Q

factors affecting salinity

A
  • geographic location (high salinity areas and low salinity areas)
  • climate
19
Q

a factor affecting salinity in regions with high evaporation rates

A

high salinity areas

20
Q

high salinity areas like red sea can have salinity above _____ ppt

A

37

21
Q

a factor affecting salinity in polar regions and near large rivers

A

low salinity areas

22
Q

low salinity area like amazon river outflow can have below _____ ppt

A

33

23
Q

climate factors

A
  • warmer climate increase evaporation, leading to higher salinity
  • colder climates often reduce salinity due to ice melt and lower evaporation
24
Q

found in glaciers, ice sheets and permafrost

A

fresh water reservoir

25
Q

are rocks

A

permafrost

26
Q

permanent body of ice

A

glaciers

27
Q

68.7% of __________ in earth

A

glaciers

28
Q

essential for drinking, agriculture, and ecosystems

A

fresh water reservoir

29
Q

things included in surface reservoir

A

stream, river, lakes, wetlands, groundwater

30
Q

flows down slope toward —– because of gravity

A

stream

31
Q

large inland bodies of fresh/saline water

A

lakes

32
Q

land areas covered with water, biologically diverse environments filled with species

A

wetlands

33
Q

largest reservoir of liquid freshwater on earth and usually found in rocks

A

groundwater

EARTH SCIENCE (14 decks)

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