ENS EXAM QUESTIONS WITH ALL
CORRECT ANSWERS
What component of weather is watched most closely when determining when to
conduct a prescribed burn? - Answer-relative humidity
Which one of the following statements about prescribed burns is true? - Answer-Some
species of pine trees require fire to reproduce
Matthew Koehler includes several statistics about impacts of logging in national forests.
Which of the following statements describe an ecological impact of logging? - Answer-
Approximately 50% of riparian areas require restoration due to logging and other land
uses.
Dale Bosworth describes several reasons why America's national forests are not
pristine landscapes. Which of the following reasons does he include in his essay? -
Answer-American Indians have managed forests for thousands of years through the use
of fire.
Both authors describe the unhealthy state of forests but describe very different
solutions. Which of the following answers list Koehler's primary solution and Bosworth's
primary solution? - Answer-Koehler: ecological restoration; Bosworth: active
management (tree thinning)
Although Koehler and Bosworth disagree about the role of logging in U.S. national
forests, their essays suggest one potential point of agreement. Which of the following
statements would both authors support? - Answer-Removing some trees from forests
can reduce the threat of wildfire in protected areas
You are a U.S. senator who plans to introduce an updated version of the Organic
Administration Act of 1897. What scientific information would be useful for rewriting the
original law? - Answer-Research on the effects of logging on ecosystem services
provided by forests
In general, we can conclude that with increasing economic development and wealth, a
country tends to use __________ water per person. - Answer-more
The average person in the United States uses more water than __________. - Answer-
three people in the United Kingdomsix people in China10 people in Kenya
, The people living in Arizona __________. - Answer-rely on underground water supplies
to meet their water needs
Which of the following statements is/are true? - Answer-The volume of water in Lake
Mead is down by more than 50% since 1998.
In order to deal with our water problems, we can either increase _________ or reduce
_________ - Answer-supply; demand
What type of irrigation method wastes as little as 10% of the water applied to the
plants? - Answer-drip irrigation
What percentage of Earth's fresh water is found in rivers? - Answer-.01%
Which of these statements is supported by the pie charts? Select all that apply -
Answer--Fresh water makes up a small percentage of all water on Earth.
-Most of the fresh water on Earth is found in ice caps and glaciers
What is the main argument against removing O'Shaughnessy Dam in Yosemite National
Park? - Answer-The reservoir is the main source of drinking water for the city of San
Francisco.
What percentage of the Earth's water is fresh and readily accessible for human use? -
Answer-0.01%
An aquifer recharge zone is __________. - Answer-any area where water infiltrates
Earth's surface and reaches an aquifer below
The greatest use of fresh water worldwide is __________. - Answer-agricultural
Which of the following statements about drinking water is true? - Answer-Most bottled
water is just purified tap water.
what would b worse - Answer-building a grocery store with a large parking lot on an
area that used to be a forest
Dams create a _________ from which we can get water for human use. - Answer-
reservoir
The region of a lake where plants are able to attach to the bottom and still reach above
the surface is known as the __________. - Answer-littoral zone
What physical feature serves as the drainage divide on the western side of the Amazon
River drainage basin? - Answer-Cordillera Central (Andes)
CORRECT ANSWERS
What component of weather is watched most closely when determining when to
conduct a prescribed burn? - Answer-relative humidity
Which one of the following statements about prescribed burns is true? - Answer-Some
species of pine trees require fire to reproduce
Matthew Koehler includes several statistics about impacts of logging in national forests.
Which of the following statements describe an ecological impact of logging? - Answer-
Approximately 50% of riparian areas require restoration due to logging and other land
uses.
Dale Bosworth describes several reasons why America's national forests are not
pristine landscapes. Which of the following reasons does he include in his essay? -
Answer-American Indians have managed forests for thousands of years through the use
of fire.
Both authors describe the unhealthy state of forests but describe very different
solutions. Which of the following answers list Koehler's primary solution and Bosworth's
primary solution? - Answer-Koehler: ecological restoration; Bosworth: active
management (tree thinning)
Although Koehler and Bosworth disagree about the role of logging in U.S. national
forests, their essays suggest one potential point of agreement. Which of the following
statements would both authors support? - Answer-Removing some trees from forests
can reduce the threat of wildfire in protected areas
You are a U.S. senator who plans to introduce an updated version of the Organic
Administration Act of 1897. What scientific information would be useful for rewriting the
original law? - Answer-Research on the effects of logging on ecosystem services
provided by forests
In general, we can conclude that with increasing economic development and wealth, a
country tends to use __________ water per person. - Answer-more
The average person in the United States uses more water than __________. - Answer-
three people in the United Kingdomsix people in China10 people in Kenya
, The people living in Arizona __________. - Answer-rely on underground water supplies
to meet their water needs
Which of the following statements is/are true? - Answer-The volume of water in Lake
Mead is down by more than 50% since 1998.
In order to deal with our water problems, we can either increase _________ or reduce
_________ - Answer-supply; demand
What type of irrigation method wastes as little as 10% of the water applied to the
plants? - Answer-drip irrigation
What percentage of Earth's fresh water is found in rivers? - Answer-.01%
Which of these statements is supported by the pie charts? Select all that apply -
Answer--Fresh water makes up a small percentage of all water on Earth.
-Most of the fresh water on Earth is found in ice caps and glaciers
What is the main argument against removing O'Shaughnessy Dam in Yosemite National
Park? - Answer-The reservoir is the main source of drinking water for the city of San
Francisco.
What percentage of the Earth's water is fresh and readily accessible for human use? -
Answer-0.01%
An aquifer recharge zone is __________. - Answer-any area where water infiltrates
Earth's surface and reaches an aquifer below
The greatest use of fresh water worldwide is __________. - Answer-agricultural
Which of the following statements about drinking water is true? - Answer-Most bottled
water is just purified tap water.
what would b worse - Answer-building a grocery store with a large parking lot on an
area that used to be a forest
Dams create a _________ from which we can get water for human use. - Answer-
reservoir
The region of a lake where plants are able to attach to the bottom and still reach above
the surface is known as the __________. - Answer-littoral zone
What physical feature serves as the drainage divide on the western side of the Amazon
River drainage basin? - Answer-Cordillera Central (Andes)
