The main difference between weather and climate is that ________.
weather is the regional pattern based on latitude and humidity while climate is the daily pattern based on season.
climate is the regional pattern based on latitude and humidity while weather is the daily pattern based on season
weather is the daily variations that actually occur at a location and climate is the general pattern of weather over time
climate is the daily variations that actually occur at a location and weather is the general pattern of climate over time
climate is a political opinion while weather is reality
Solar rays will strike the Tropic of Capricorn at an angle of 90 degrees on ________.
What causes seasons?
seasonal changes in the angle of the sun above the horizon
differences in the amount of daylight
the elliptical orbit of the earth
the changing tilt angle of the earth
The differences in summer and winter temperatures are greatest for locations ________.
The location does not affect the range of temperatures.
near 60 degrees north or south latitude
near the Poles
near the tropic of Cancer or Capricorn
near the equator
The north end of Earth's axis is tilted 23.5 degrees toward the Sun on ________.
September 21 or 22
March 21 or 22
December 21 or 22
June 21 or 22
The greenhouse effect is caused by…
Greenhouse gases in the lower atmosphere absorbing radiation from the Earth's surface, and preventing much of it escaping into space
Greenhouse gases in the lower atmosphere absorbing solar radiation
Too much carbon dioxide in the atmosphere
Too much heat in the atmosphere
Which of these natural events affect the climate?
The path of the Earth around the sun
Which of these greenhouse gases is most abundant in the atmosphere?
What greenhouse gas was NOT present in the atmosphere in pre-industrial times (before 1750)?
Which of the following changes in climate has NOT already occurred?
A decrease in the sea ice around Antarctica
Fewer cold days and frosts, and more frequent heatwaves over the last 50 years
0.17m rise in sea level during the 20th century
0.74°C increase in average global temperature over the last century
Which of these countries has the highest per capita (per person) carbon dioxide emissions?
Which of the following activities contributes the most to carbon emissions globally?
On average, what percentage of the Earth's atmosphere by volume consists of carbon dioxide?
About 0.004 percent
about 4 percent
About 0.04 percent
About 0.4 percent
According to global surface temperature data from the National Oceanic and Atmospheric Administration and NASA's Goddard Institute for Space Studies, how many of the top 10 hottest years on record have occurred in the past 10 years.
What region of the world will likely warm most rapidly due to climate change?
Australia and the South Pacific
Which of the following best explains the effect of greenhouse gases on Earth’s atmosphere?
produce more carbon dioxide which generates more plant growth.
absorb some of the incoming radiation from the Sun.
absorb some of the energy Earth radiates out into space
act as a shield that reflects some of the incoming radiation from the Sun
Which of the following is NOT a greenhouse gas?
carbon dioxide (CO2)
nitrogen oxide (N2O)
There are several long-term changes in Earth’s orbit that affect how heat from the Sun is distributed over the planet. Which of the following describes how the orbit changes from being elliptical to more circular?
Ice core data have revealed which of the following?
current carbon dioxide concentrations are far outside of Earth’s recent operating range.
Earth’s climate has been remarkably stable for the past 10,000 years
Earth’s climate shows a history of abrupt and rapid changes in temperature
all of the answers listed here.
Which of the following statements with respect to Earth’s climate is NOT true?
atmospheric carbon dioxide levels are currently well within Earth’s recent operating range
past climate changes have caused societies to collapse
variation in energy output from the Sun is too small to explain current warming
Earth is currently in a strong warming trend
One important consequence of global warming is that Earth’s climatic zones are expected to shift. Which of the following would affect large parts of Earth’s population as winters arrive later and end earlier?
increased flooding during the winter months
less sunlight during the agricultural growing season
less melt water to sustain streams during the summer months
shortening of the agricultural growing season
Ocean acidification is taking place as the oceans absorb some of the additional carbon dioxide in the atmosphere. What is the basic environmental problem that this creates?
more difficult for marine organisms to secret their own protective shells.
causes the oceans to become even more saline, thereby reducing ocean circulation
increases the rate of evaporation of seawater
makes it unsafe for humans to go swimming in the ocean
Seasonal variations in CO2 recorded at Mauna Loa Observatory are related to ________.
Climate-feedback mechanisms ________
have nothing to do with climate models
disagree with climate models
complicate climate models
support climate models
The magnitude of a temperature increase due to greenhouse warming will probably be smallest in the ________.
Approximately how much of the Earth's water supply is saline?
The main process that links water in the atmosphere with water on the Earth's surface is
The water table is ________.
a boundary between unsaturated bedrock below and saturated bedrock above
a boundary between saturated rock below and unsaturated rock above
a boundary between unsaturated bedrock and an underground river
an underground mass of partly saturated rock
Permeable rock strata or sediment that transmit groundwater freely are called ________.