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Q 1/36
Score 0
How much of the Earth's surface is covered by water?
30
71%
70
21
41
Q 2/36
Score 0
How much of the planet's water is readily available?
30
0.024%
3%
36 questions
Q.
How much of the Earth's surface is covered by water?
1
30 sec
Q.
How much of the planet's water is readily available?
2
30 sec
Q.
Which cycle is responsible for the collection, purification, recycling, and distribution of freshwater? (Page 315)
3
30 sec
Q.
Precipitation that infiltrated the ground and percolated downward through spaces in soil, gravel, and rock until an impenetrable layer of rock stops it (page 317)
4
30 sec
Q.
Major threats to marine systems (4)
5
60 sec
Q.
two types of freshwater life zones
6
30 sec
Q.
Lentic (standing) freshwater life zone examples
7
30 sec
Q.
Lotic (flowing) freshwater life zone examples
8
30 sec
Q.
Large natural bodies of standing freshwater formed through precipitation-
Turtles, crayfish, and crabs are found in this zone
11
30 sec
Q.
Near the shore and consists of shallow sunlit waters to the depth of which rooted plants stop growing; nutrient-rich water near the shore
12
30 sec
Q.
Deep, ocean water, too dark for photosynthesis; without sunlight and plants oxygen levels are low. Fish must adapt to the darkness and coolness of this zone
13
45 sec
Q.
This layer is nourished by dead matter. In this layer, de composers, detritus feeders, and sediment are found. Similar to the ocean, this layer is the bottom floor.
14
30 sec
Q.
Wide, slow-moving rivers with lots of silt
15
30 sec
Q.
What are the main goals of dams and reservoirs?
16
30 sec
Q.
Precipitation that does not sink into the ground or evaporate
17
30 sec
Q.
To cool hydroelectric plants, what % of the world's groundwater and surface water withdrawn is used?
18
30 sec
Q.
What % of reliable surface runoff is currently being withdrawn (page 317)
19
30 sec
Q.
Middle zone; headwater streams merge to form wider, deeper, and warmer streams that flow down gentler slopes with fewer obstacles.
20
30 sec
Q.
80% of wetlands are lost to...? (Page 179)
21
30 sec
Q.
20% of wetlands are lost to...?
22
30 sec
Q.
What are four types of inland wetlands? (Page 178)
23
30 sec
Q.
The distribution of many aquatic organisms is determined largely by this
24
30 sec
Q.
This threatens marine ecosystems by warming the oceans and making them more acidic
25
30 sec
Q.
Lakes that fall between the extremes of eutrophic lakes (nutrient rich) and oligotrophic (nutrient poor) lakes
26
30 sec
Q.
Precipitation that does not sink into the ground or evaporate
27
30 sec
Q.
typically shallow, have murky brown or green water, with have high turbidity (cloudiness).
28
30 sec
Q.
Area where the spaces in soil and rock are completely filled with water
29
30 sec
Q.
Top of the groundwater zone. This area moves downward in dry weather(page 316)
30
30 sec
Q.
Land surface water drains into is called
31
30 sec
Q.
Underground cavern that provides 50% of our drinking water (316)
32
30 sec
Q.
By the year 2025 how many people will lack access to safe water? (Page 318
33
30 sec
Q.
Most aquifers are replenished naturally by precipitation that percolates downward through soil and rock... What type of recharge is this?
34
30 sec
Q.
Other aquifers are replenished naturally from the side via streams and rivers.... What type of recharge is this?
35
30 sec
Q.
This zone has Narrow headwaters, it is cear, cold, & shallow
