Which of the following is NOT a source of data used to understand climate?
answer
Liquefaction zones from earthquakes stored in the geologic record
question
Can humans just adapt to climate change?
answer
Yes, but it depends on the rate of temperature change as well as intensity.
question
Which of the following is NOT expected to be caused by global warming?
answer
Increased earthquake activity
question
What is the difference between a variable and permanent gas?
answer
Abundance of variable gases in the atmosphere change and abundance of permanent gases do not.
question
Which of the following is FALSE about the ocean conveyor belt?
answer
Movement of water in the ocean conveyor belt is speeding up due to human activities.
question
Which of the following does NOT contribute to climate change?
answer
Not C, D
question
What is the cryosphere?
answer
The Earth's ice and snow
question
How do scientists measure the amount of carbon dioxide in the atmosphere for dates prior to the 1955?
answer
From air bubbles in glacial ice from cores
question
Which of the following is considered a variable gas?
answer
Carbon dioxide
question
Which of the following is NOT a way in which hazards are related to climate?
answer
Volcanic eruptions are related to warmer climates.
question
What two factors are often used for basic classification of global climate zones?
answer
Average monthly temperature and precipitation
question
Which of the following is NOT an important part of how the atmosphere is warmed through the greenhouse effect?
answer
Radiation from the sun is reflected by the Earth's surface.
question
Which gas comprises most of the atmosphere?
answer
Nitrogen
question
What is important about amounts of carbon-14 in living samples?
answer
It can indicate sunspot activity.
question
Which of the following is NOT a reason why sea level rise is a problem for humans?
answer
It will deplete fish populations.
question
Once glaciers retreat and melt away, they can never come back.
answer
False
question
Aerosols are harmful gases emitted from spray canisters.
answer
False
question
Volcanoes are capable of causing short-term global climate change.
answer
True
question
No one really knows how the concentrations of atmospheric carbon dioxide have changed in the distant past, because we have only been directly measuring it since 1955.
answer
False
question
Glaciers have always covered the continents and it is only in our current time that the glaciers have been confined to polar climates.
answer
False
question
What is the difference between a glacial and interglacial period?
answer
Glacial periods are colder than interglacial periods.
question
Which of the following does NOT play an important role in glaciation?
answer
Abundance of oxygen in the atmosphere
question
Which of the following is NOT a typical hazard involved with glaciers?
answer
Glaciers can trigger volcanic eruptions.
question
Which of the following is NOT a Paleo-proxy data source?
answer
Magma Samples
question
Which of the following is NOT a piece of evidence that the Earth is warming?
answer
Earthquake activity is increasing.
question
How have global temperatures changed over the last 800,000 years?
answer
They have increased and decreased many times.
question
What is the greenhouse effect?
answer
The absorption of infrared radiation by the atmosphere
question
What are aerosols and why are they important?
answer
Aerosols are very small liquid or solid particles that reflect sunlight.
question
Which of the following is FALSE about the paleo-proxy record?
answer
It includes people's written recollections from many centuries ago.
question
The depletion of the ozone layer is caused by the greenhouse effect.
answer
False
question
Climate and weather are essentially the same things, just different names.
answer
False
question
The warming we see now and have seen in the past can be explained by changes in solar energy.
answer
False
question
Most of the increase in global temperatures over the past century or so can be attributed to natural changes in the Earth's tilt, orbit and wobble.
answer
False
question
How is the Earth's climate changing?
answer
It is warming probably due to increased levels of CO2 in the atmosphere.
question
Which of the following is NOT a source of carbon dioxide for our atmosphere?
answer
Plant photosynthesis
question
When the Earth warms, won't the areas that we lose to agriculture (like the U.S. Midwest) just be replaced by new areas that are now too cold for farming (like Northern Canada)?
answer
Maybe. There is more to farming than just climate and more needs to be known about the soil characteristics in those areas.
question
Which of the following is a statement involving climate rather than weather?
answer
The winters here are dry and warm.
question
Climate refers to the average weather in a given location over a long period of time.
answer
True
question
Global temperatures have fluctuated many times in the last 800,000 years causing glacial and interglacial events.
answer
True
question
Which of the following is NOT a way to reduce emissions from greenhouse gases?
answer
Capture greenhouse gas emissions from power plants and release them in the upper atmosphere
question
Your great-great grandmother may have written on her wedding photos about the weather on the day of her wedding. What type of data would this be?
answer
Historical record
question
Which gas accounts for the majority (more than half) of the anthropogenic greenhouse effect?
answer
Carbon dioxide
question
Which of the following statements about climate change is FALSE?
answer
Climatologists now have complete historical temperature data for the past 100,000 years of the Earth's history.
question
Which of the following is a reason why sea level will rise as a response to global warming?
answer
Increased temperatures will cause the ocean water to expand.
question
Currently, the Earth's climate is cooling.
answer
False
question
The gases that comprise most of the atmosphere have little impact on the weather.
answer
True
question
Global warming is expected to increase the amount of precipitation in some areas and decrease it in others.
answer
True
question
Most of the Earth's atmosphere is comprised of oxygen.
answer
False
question
Which of the following is NOT a problem associated with ice sheets melting?
answer
Melting glacial ice on the Arctic Ocean will contribute most to rising sea level due to its melting directly into the ocean.
question
If we cut down the tree in your great-great grandmother's backyard and analyzed the tree rings, what type of data would this be?
answer
Paleo-proxy record
question
What best describes how carbon dioxide concentrations in the atmosphere have changed in the last 500 years?
answer
Concentrations were mostly steady until ~1850 when they began to increase.
question
Which of the following is FALSE about glaciers?
answer
Today, we live in a glacial interval due to the large continental glaciers in Antarctica and Greenland.
question
Infrared radiation emitted from the Earth is absorbed and re-emitted by greenhouse gases in the atmosphere.
answer
True
question
In addition to reducing emissions of greenhouse gases, scientists are working on plans to store the gases instead of releasing them into the atmosphere.
answer
True
question
Because glaciers move so slowly, they do not pose any sort of threat to society.
answer
False
question
Which of the following episodes of climate change was believed to be caused by human interaction?
answer
Warming over past 150 years or so
question
Most scientists think that it is too late to stop global warming and that we should just deal with the effects as they come.
answer
False
question
A significant portion of the observed global warming over the past 100 years is from natural forces.
answer
False
question
The greenhouse effect is completely natural and necessary for human life to exist on Earth.
answer
True
question
Why do scientists think that the current global warming situation is NOT caused by natural forces?
answer
Not A
question
Because of the burning of fossil fuels, the Earth is warmer today than in any other period in the last 800,000 years.
answer
False
question
Scientific consensus states that the Earth is warming right now and this effect can be attributed in part to human influences.
answer
True
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