24 Questions
What percentage of air is found in the first 30 km of the atmosphere?
99%
What is the most abundant gas in the Earth's atmosphere?
Nitrogen
What is the concentration of Carbon dioxide in the atmosphere?
0.041%
What is the altitude range at which the stratospheric values of CO2 are measured?
11-50 km
What is the percentage of water vapor in the atmosphere?
0-4%
What is a common term for tiny solids or liquids suspended in the atmosphere?
Aerosols
What is formed in the upper atmosphere when ultraviolet radiation from the sun splits an oxygen molecule?
Ozone
What is the concentration of Xenon in the atmosphere?
0.000009%
What is the dominant source of atmospheric heat?
Terrestrial radiation
What is responsible for destroying ozone in the upper atmosphere?
CFCs and NOx
What is the term for small solid particles in the air?
Particulates
What type of radiation is emitted by objects with a temperature above absolute zero?
Radiation
What is the condition in which the Earth-atmosphere system maintains a balance between the energy it receives from the sun and the energy it loses to space?
Dynamic equilibrium
What is the primary factor that determines the amount of insolation received at a particular location on Earth?
Latitude, daylight duration, and seasonal regime
What is the term for the transfer of energy from one substance or medium to another due to a temperature difference?
Heat
What is the term for a measure of the average kinetic energy of molecules in a substance?
Temperature
Why is the warmest part of the day not at noon when the sun is highest in the sky?
Due to temperature lag
How does cloud cover affect air temperature?
It decreases air temperature
What occurs when parcels of air are heated?
They expand in volume and become less dense than the surrounding air
What type of energy transfer occurs when there is a change in the state of matter?
Latent Heat Exchange
What is the concept that describes the balance between the energy Earth receives from the sun and the energy it loses to space?
Energy Balance
What is the main purpose of studying Earth's energy budget?
To understand the relationship between energy input, storage, and output within the Earth system
What type of energy transfer involves the horizontal transfer of heat?
Advection
What can be inferred about Earth's temperature history based on the energy balance concept?
Earth's temperature has remained relatively constant over its history
Test your knowledge of Chapter 4, covering the characteristics of the atmosphere that support life on Earth and the Earth's energy budget. Review the chapter objectives and practice exam answers. Get ready for Exam 1!
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