GLG 121 Miami University UPDATED Actual Exam Questions and CORRECT Answers
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Course
GLG 121 Miami University
Institution
GLG 121 Miami University
GLG 121 Miami University UPDATED
Actual Exam Questions and CORRECT
Answers
What is a sustainable society? - CORRECT ANSWER- one that can satisfy its needs
without jeopardizing the needs of future generations
What is the formula for population growth rate? - CORRECT ANSWER- birth rate -
dea...
GLG 121 Miami University UPDATED
Actual Exam Questions and CORRECT
Answers
What is a sustainable society? - CORRECT ANSWER✔✔- one that can satisfy its needs
without jeopardizing the needs of future generations
What is the formula for population growth rate? - CORRECT ANSWER✔✔- birth rate -
death rate
Which country has an essentially stable population? - CORRECT ANSWER✔✔- Japan
Which of the following is NOT a component of the hydrosphere? - CORRECT
ANSWER✔✔- Sun
If transfers of energy and matter into and out of an open system are about the same, the
system is said to be: - CORRECT ANSWER✔✔- in steady state
Which of the following is part of the biosphere? - CORRECT ANSWER✔✔- all living
organisms on Earth
How is biodiversity measured? - CORRECT ANSWER✔✔- by measuring the number of
species
Closed systems: - CORRECT ANSWER✔✔- allow only energy to move in and out of the
system
Which of the following is an example of a renewable energy resource? - CORRECT
ANSWER✔✔- all of the above
What is true about a scientific theory? - CORRECT ANSWER✔✔- it explains a large set of
observations and relationships that have been independently verified by many researchers
,Which is the correct order of the planets in our solar system, going from closest to the sun to
farthest from the sun? - CORRECT ANSWER✔✔- Mercury (closest), Venus, Earth, Mars,
Jupiter, Saturn, Uranus, Neptune (farthest)
What is a nebula? - CORRECT ANSWER✔✔- A vast cloud of dust and gases that
contracted approximately 4.5 billion years ago to form our solar system.
Which is the correct order of Earth's compositional layers, going from the surface (where we
mostly live) down into the interior of the planet. - CORRECT ANSWER✔✔- Crust, mantle,
outer core, inner core
Granite is a rock that is typical of the: - CORRECT ANSWER✔✔- continental crust
Basalt is a rock that is typical of the: - CORRECT ANSWER✔✔- oceanic crust
Four distinct atmospheric layers are defined based on the vertical temperature distribution in
the atmosphere. Going up from Earth's surface (the bottom of the atmosphere) to the upper
atmosphere, these atmospheric layers are: - CORRECT ANSWER✔✔- Troposphere,
Stratosphere, Mesosphere, and Thermosphere
Excluding water, what are the top three most abundant gases in the atmosphere today, from
most abundant to least abundant?
(We're excluding water because its atmospheric concentration is so variable, both in time and
space). - CORRECT ANSWER✔✔- Nitrogen (most abundant), Oxygen, Argon (least
abundant)
Which of the following gases was likely NOT a major part of Earth's early (or first)
atmosphere? - CORRECT ANSWER✔✔- Oxygen
Why is stratospheric ozone important? - CORRECT ANSWER✔✔- It helps living
organisms on Earth's surface by blocking most incoming ultraviolet radiation; this radiation
can damage DNA in living tissue.
, Which component of the Earth System includes the water in ice sheets, glaciers, rivers, lakes,
underground, and in the oceans? - CORRECT ANSWER✔✔- Hydrosphere
What is the water cycle? - CORRECT ANSWER✔✔- a cycle that describes how water
moves among various reservoirs such as the oceans, the atmosphere, on land, and below
land's surface, in groundwater
Where is most of Earth's fresh water located? - CORRECT ANSWER✔✔- ice sheets and
glaciers
Approximately when did life on Earth begin? - CORRECT ANSWER✔✔- sometime
between 4.2 and 3.5 billion years ago
Natural selection is: - CORRECT ANSWER✔✔- the principle mechanism behind
evolutionary change in the biosphere
Who recognized that some vertebrate fossils represent the remains of organisms that no
longer exist? - CORRECT ANSWER✔✔- Georges Cuvier
What is the ratio of parent to total atoms (P/T) when exactly one half-life has elapsed -
CORRECT ANSWER✔✔- 1/2
What is the parent to total atoms (P/T) ratio when exactly 4 half lives have elapsed? -
CORRECT ANSWER✔✔- 1/16
Which relative time principle assumes that rock unit F is younger than rock unit C? -
CORRECT ANSWER✔✔- Superposition
Which graph below (a-d) best illustrates the change in the proportion of unstable (parent)
radioactive isotope with time? - CORRECT ANSWER✔✔- graph a
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