AnswersCentral 25-26 CR SCI 100B SpringUnit Test

Unit Test — Unit test Answers

0 verified answers
1
Free Preview

Which correctly lists three places that fresh water is found?

A
rivers, oceans, lakes
B
oceans, coastal wetlands, seas
C
ice sheets, water vapor, rivers
D
water vapor, streams, oceans
2
Free Preview

Which phrase describes one type of freshwater wetland?

A
acidic areas found in northern climates
B
reservoirs created by dams at the end of rivers
C
areas of high elevation that feed into river systems
D
large, deep body of water that contains fresh water
3

Which statement explains one way that ponds and lakes differ?

A
Ponds are shallower than lakes.
B
Ponds are larger than lakes.
C
Pond water moves more than lake water.
D
Lakes have more plants at the bottom than ponds.
4

Which correctly lists three water sources that contribute to a river system?

A
groundwater, ponds, streams
B
lakes, rivers, ponds
C
rivers, streams, watersheds
D
streams, lakes, oceans
5

Which phrase describes a feature of groundwater?

A
feeds rivers
B
provides habitats
C
makes up 75% of fresh water
D
used for hydroelectric power
6

How does a pond form?

A
A mudflow blocks a river.
B
Water collects in a low-lying area.
C
Humans use a dam to create a reservoir.
D
A depression made by an ice sheet fills with water.
7

Which phrase describes runoff?

A
underground water that flows into lakes
B
river water that empties into an ocean
C
water from streams that flows into larger rivers
D
water from rain and snow that travels to streams
8

How do rivers become larger as they travel across land?

A
Groundwater rises, adding water to rivers.
B
Tributaries combine, adding water to rivers.
C
Ice sheets melt slowly, adding water to rivers.
D
Rainfall in an area increases, adding water to rivers.
9

Where do rivers usually begin?

A
at the ocean
B
at groundwater outlets
C
in mountainous regions
D
in lakes and larger rivers
10

How do icebergs form?

A
They form when seawater freezes.
B
They form when groundwater freezes.
C
They break off from the coast of Iceland.
D
They break off large ice sheets found at the poles.
11

Which statement explains one difference between marshes and bogs?

A
Marshes are highly acidic, while bogs are not.
B
Bogs look like flooded forests, while marshes contain grasses.
C
Marshes can contain fresh water, while bogs contain salt water.
D
Marshes are areas of shallow water, while bogs are deeper areas.
12

Which freshwater source is a permanent shallow body of water with plant life throughout?

A
lake
B
pond
C
reservoir
D
wetland
13

Which statement identifies a reason to preserve wetlands?

A
They supply water to river systems.
B
They store floodwaters.
C
They divide different watersheds.
D
They are used for hydroelectricity.
14

Which statement best describes the streams on either side of the Great Divide?

A
They feed different water sheds.
B
They channel rain to the Pacific Ocean.
C
They flow into the same drainage basin.
D
They have some of the same large rivers.
15

Where is most of Earth’s fresh water found?

A
in the ground
B
near the poles
C
in lakes and streams
D
in the air as water vapor
16

How do wetlands form?

A
Tributaries flow into rivers.
B
Runoff travels down the side of a divide.
C
Water builds up in a depression left by an ice sheet.
D
Groundwater comes to the surface and floods the land.
17

Why are plants unable to grow at the bottom of lakes?

A
The water is colder at the bottom.
B
Sunlight does not reach the bottom.
C
Groundwater feeds into the bottom.
D
Less fresh water is found at the bottom.
18

Which type of wetland is most likely found in warm, forested areas?

A
bogs
B
swamps
C
salt marshes
D
inland marshes
19

Where is groundwater found?

A
in lakes and rivers
B
below Earth’s surface
C
on ice sheets at the poles
D
at the mouths of rivers and streams
20

Which word identifies a large natural or human-made lake used to supply water?

A
marsh
B
pond
C
reservoir
D
wetland

Did you find these answers helpful?

More from this Course

Assignment
1 verified answers

Warm-Up