Natural Events and the environment (pretest)

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

Acidic

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.
Landslide are not impacted by human activities.

a. Removing plants from hillsides eliminates the root structures that anchor soil.

Why are hurricanes considered more damaging than tornadoes when tornados have stronger winds?
a.
Hurricanes only strike coastlines while tornados strike coasts and inland.
b.
Hurricanes also cause flooding and occur over a broader area.
c.
Tornadoes move more slowly than hurricanes.
d.
Tornadoes only occur inland, away from coastlines.

b. Hurricanes also cause flooding and occur over a broader area.

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.

b. Hurricanes have storm surges that cause widespread flooding.

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.

d. tree roots improve soil water retention

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.

d. Erosion caused by hurricanes can leave coasts more exposed to storms.

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

false

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

false

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

false

Which of the following is not a significant threat to the world’s rainforests?
a.
logging
b.
agriculture
c.
grazing
d.
shipping

d. shipping