correct answers 2025/2026
In a volume of air near the earth's surface, ____ occupies 78 percent and ____ nearly 21
percent. - correct answer ✔✔Nitrogen, oxygen
Which of the following is considered a variable gas in the earth atmosphere - correct answer
✔✔Water vapor
Typically, water vapor occupies about what percentage of the air's volume near the earth's
surface? - correct answer ✔✔Less that 4%
The most abundant greenhouse gas in the earths atmosphere - correct answer ✔✔Water vapor
This holds a planets atmosphere close to its surface - correct answer ✔✔Gravity
The amount of force exerted over an area of surface is called - correct answer ✔✔Pressure
Which of the following weather elements always decrease as we climb upward in the
atmosphere - correct answer ✔✔Pressure
In the stratosphere the air temp normally - correct answer ✔✔Increases with increasing height.
The earths atmosphere is divided into layers based on the vertical profile of - correct answer
✔✔Air temperature
,Almost all the earths weather occurs in the - correct answer ✔✔Troposphere
Warming in the stratosphere is mainly caused by: - correct answer ✔✔absorption of ultraviolet
radiation by ozone
In a temperature inversion - correct answer ✔✔air temperature increases with increasing
height
Which of the following provides a measure of average speed of air molecules - correct answer
✔✔Temperature
In the Celcius temperature scale what is the significance of the temperature increment of 1
degree cel - correct answer ✔✔It is 1/100 of the interval between freezing point and the boiling
point of water
Energy of motion is also known as - correct answer ✔✔kinetic energy
Heat is energy in the process of being transferred from - correct answer ✔✔Hot object to cold
object
The change of state of ice into water vapor is known as: - correct answer ✔✔Sublimation
This is released as sensible heat during the formation of clouds - correct answer ✔✔Latent heat
The process of condensation and freezing - correct answer ✔✔both release sensible heat into
the environment.
The transfer of heat by molecule to molecule contact - correct answer ✔✔Conduction
, A heat transfer process in the atmosphere that depends upon the movement of air is - correct
answer ✔✔Convection
The blueness of the sky is mainly due to - correct answer ✔✔the scattering of sunlight by air
molecules
The earth's radiation is often referred to as ____ radiation, while the sun's radiation is often
referred to as ____ radiation. - correct answer ✔✔Long wave, shortwave
The atmospheric greenhouse effect is produced mainly by the: - correct answer ✔✔absorption
and re-emission of infrared radiation by the atmosphere.
Suppose last night was clear and calm. Tonight low clouds will be present. From this you would
conclude that tonight's minimum temperature will be: - correct answer ✔✔Higher than last
night's minimum temperature.
The combined albedo of Earth and the atmosphere is approximately ____ percent. - correct
answer ✔✔30%
Clouds __ infrared radiation and ___ visible radiation - correct answer ✔✔Absorb, Reflect
During an equinox - correct answer ✔✔-the days and nights are of equal length except at the
poles
Considering each hemisphere as a whole, seasonal temperature variation in the Southern
Hemisphere is ____ that in the Northern Hemisphere. - correct answer ✔✔Less than