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GEOL 105 Exam 4 Review Flashcards | StudBud
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GEOL 105 Exam 4 Review
GEOL 105 Exam 4 Review
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1
Which of the following describes how the greenhouse effect works?
Earth’s internal heat increases over time, warming Earth
Greenhouse gases allow heat to escape to space
Greenhouse gases trap heat close to Earth, warming atmosphere and oceans
More sunlight reflects off icy surfaces, causing warming
2
Most agriculture occurs in tundra and desert zones.
True
False
3
Which of the following does NOT pertain to GMOs and why we use them?
Improved taste and appearance
Improved disease and pest resistance
Addition of nutrients
Improve yield of crops or organisms
4
Tectonic plate movement is NOT linked to climate change.
True
False
5
The two main processes that form soil are _______.
Weathering and erosion
Erosion and decomposition of organic material at the surface
Precipitation and erosion
Weathering of bedrock and decomposition of organic matter at the surface
6
Which of the following periods of human energy consumption relied primarily on fossil energy?
Pre-agricultural
Renaissance
Agricultural Period
Industrial Revolution
7
The Earth has ________ for the past 2 million years.
Stayed the same temperature
Gradually cooled
Cycled between glacial (cold) and interglacial (warm) conditions
Gradually warmed
8
What are the three parameters that matter when it comes to global change?
Rate, frequency, and agency
U-Pb dating, carbon dating, Ar-Ar dating
Humans, rocks, animals
Dinosaurs, sea level, glaciers
9
Which of the following is the most abundant greenhouse gas in the atmosphere?
Water vapor
Oxygen
Methane
Carbon Dioxide
10
About how much carbon dioxide is in Earth’s atmosphere?
400 ppm
4%
40%
400%
11
Looking at the diagram below, during which interval has the warmest years on Earth occurred since 1880?
2013 - 2021
1920 - 1940
1940 - 1960
1960 - 1980
1999 - 2009
12
In the chart below, which path is associated with the worst environmental outcomes?
Sustainable future path
Somewhat higher path
Middle path
Business as usual
13
The Food Security Act (Farm Bill) states that:
Farmers with highly erodible soil to change farming practices
Food must be a local crop and cannot be transported to markets
Allow farmers to plant whatever crop they want to, whenever
Accesses soil damage
14
Where do scientists monitor and collect data related to atmospheric changes of CO2?
Yellowstone National Park
Mauna Loa, Hawaii
Fagradalsfjall, Iceland
Mt. Fuji, Japan
15
Genetically modified organisms (GMOs) are only plants.
False
True
16
Buffers between agricultural fields and rivers are important because they prevent:
Fertilization
Runoff and erosion
Deposition
Soil Formation
17
The best description of anthropogenic activities is _______.
Activity reduce C emission through tax credits for reducing car emission
All activities by humans affecting Earth and its biosphere
Human activities that reduce C emissions through taxing fuel used for cars
Human activities that decrease greenhouse gases in the atmosphere
18
What’s the problem with relying on only a few genetic strains of wheat and corn for most of the world’s production?
A new disease could wipe out most of the harvest all at once
Soils are preserved
Lower yields
More water is required
19
Why is CO2 naturally higher in the summer?
There is more heat from the sun
There are more storms
There is more respiration from plants
There is more water on Earth
20
“Bt” corn has been genetically engineered to produce an insect-killing compound that __________.
Fertilizes corn
Does not harm people but requires increased irrigation
Harms people but reduces pesticide use
Does not harm people and reduces pesticide use
21
Impacts of global warming include all the following EXCEPT ________.
Rising sea levels
More human illness due to new diseases able to spread
Decrease in mortality because winter is warmer
More extreme weather
22
What is the most dominant gas in Earth's atmosphere?
Oxygen
Carbon Dioxide
Nitrogen
Argon
23
“Food miles” is a way to account for:
How far you must travel to eat food at a restaurant
Distance food is transported, and how that affects its nutritional content
How far your food can take you, based on its energy content
Distance food is transported and how that affects your ecological footprint
24
A sand sized grain is the size of _____.
<0.002 mm
0.002 – 0.5 mm
0.05 – 2 mm
>2 mm
