AnswersPMHS Environmental Science Q2Natural Events and the Environment

Natural Events and the Environment Answers

0 verified answers2 views
1
Free Preview

Which of the following is not true concerning the impact of volcanoes?

A
Acid rain can result from volcanic eruptions.
B
Tephra are a combination of water and rubble.
C
Damage can continue for years after the initial eruption.
D
The volcanic explosion is the pyroclastic flow.
2
Free Preview

Which of the following is a natural disaster that can have a significant impact on human populations?

A
hurricane
B
volcano
C
earthquake
D
all of the above
3

The damage caused by Tsunamis is restricted to the area surrounding the epicenter of the earthquake which caused it.

A
T
B
F
4

Which of the following is not an environmental impact of resource extraction?

A
loss of soil
B
increased resource supply
C
water contamination
D
loss of vegetation
5

Which of the following human activities can increase the risks of flooding?

A
clearing land for farming
B
planting trees
C
soil management
D
widening rivers
6

The rain that occurs after a volcano erupts would most likely be

A
acidic
B
basic
C
neutral
7

Which best describes the effects of hurricanes?

A
Hurricanes tend to deposit more sediment than they remove.
B
Hurricanes have storm surges that cause widespread flooding.
C
Hurricanes have wind gusts that are fast but generally weak.
D
Hurricanes do not alter landscapes significantly.
8

Which of the following best explains why deforestation increases the risk of floods in an area?

A
Tree leaves catch and retain rain water.
B
Trees block the free flow of water.
C
Deforestation increases precipitation.
D
Tree roots improve soil water retention.
9

Which of the following best explains how a hurricane can increase an area’s susceptibility to future storms?

A
Storm surges cause massive damage to buildings along coastlines.
B
Hurricanes often flood coastal communities.
C
Hurricane strength winds cause large amounts of property damage.
D
Erosion caused by hurricanes can leave coasts more exposed to storms.
10

Which of the following best explains how human activities can directly contribute to landslides?

A
Removing plants from hillsides eliminates the root structures that anchor soil.
B
Clearing trees from hills increases the frequency of rainstorms.
C
Human activities tend to reduce the risk of fires.
D
Landslides are not impacted by human activities.
11

Which of the following is not an impact of wildfires?

A
air pollution
B
erosion
C
water pollution
D
none of the above
12

The majority of damage caused by volcanoes is from lava flows.

A
T
B
F
13

Seismic waves do not travel along the Earth’s surface.

A
T
B
F
14

Which of the following is not a significant threat to the world’s rainforests?

A
logging
B
agriculture
C
grazing
D
shipping
15

The impacts of natural disasters are limited to property damage and loss of life.

A
T
B
F
16

A dense mix of dry, hot rock fragments and hot gas erupting from volcanic vents at high speed is

A
pyroclastic flow.
B
lahar.
C
fumarole.
D
tephra.
17

Human activities can have an impact on natural disasters.

A
T
B
F

Did you find these answers helpful?