WGU D199 EXAM SCRIPT 2026
COMPREHENSIVE QUESTIONS AND
CORRECT ANSWERS GRADED A+
⩥ the agricultural revolution roughly. Answer: coincides with a warm
interglacial period that began about 11,700 years ago which is called the
HOLOCENE era (warm stable climate)
⩥ the last 270 years of the holocene ushered into the. Answer:
INDUSTRIAL REVOLUTION when climate pollution began to
increase dramatically
⩥ the industrial revolution was powered by. Answer: fossil fuels
⩥ what began after world war II?. Answer: the great acceleration (1950-
present)
-caused depletion in the ozone layer
-After 1950, the biodiversity of species started decreasing and the
extinction of species accelerated
⩥ The Great Acceleration marks the beginning of. Answer: Homo
sapiens' truly massive global imprint on the planet
-The climate has already warmed by 1°C since 1900.
, -If humans continue with business-as-usual consumption of fossil fuels,
the warming between 1900 and 2100 could exceed 4°C.
⩥ the greenhouse effect.. Answer: It is this trapping of heat energy that
otherwise would have escaped to space through the atmosphere
-allows solar radiation to enter
-the blanket effect
⩥ is the greenhouse effect real?. Answer: -Satellites routinely measure
the incoming solar energy and the outgoing heat energy from the planet
-Independently, the heat energy emitted by the surface has been
estimated using observed surface temperatures on land and sea.
⩥ aerosols. Answer: -Visible smoke and smog are made up of tiny
particles
-carbon dioxide and other greenhouse gases cannot be seen by the
human eye
-Most of these aerosols reflect sunlight and have a cooling effect
⩥ black carbon aerosols (a major component of soot). Answer: -absorb
solar radiation entering the atmosphere and have a warming effect.
-warms the climate by absorbing solar energy rather than infrared energy
from the planet
COMPREHENSIVE QUESTIONS AND
CORRECT ANSWERS GRADED A+
⩥ the agricultural revolution roughly. Answer: coincides with a warm
interglacial period that began about 11,700 years ago which is called the
HOLOCENE era (warm stable climate)
⩥ the last 270 years of the holocene ushered into the. Answer:
INDUSTRIAL REVOLUTION when climate pollution began to
increase dramatically
⩥ the industrial revolution was powered by. Answer: fossil fuels
⩥ what began after world war II?. Answer: the great acceleration (1950-
present)
-caused depletion in the ozone layer
-After 1950, the biodiversity of species started decreasing and the
extinction of species accelerated
⩥ The Great Acceleration marks the beginning of. Answer: Homo
sapiens' truly massive global imprint on the planet
-The climate has already warmed by 1°C since 1900.
, -If humans continue with business-as-usual consumption of fossil fuels,
the warming between 1900 and 2100 could exceed 4°C.
⩥ the greenhouse effect.. Answer: It is this trapping of heat energy that
otherwise would have escaped to space through the atmosphere
-allows solar radiation to enter
-the blanket effect
⩥ is the greenhouse effect real?. Answer: -Satellites routinely measure
the incoming solar energy and the outgoing heat energy from the planet
-Independently, the heat energy emitted by the surface has been
estimated using observed surface temperatures on land and sea.
⩥ aerosols. Answer: -Visible smoke and smog are made up of tiny
particles
-carbon dioxide and other greenhouse gases cannot be seen by the
human eye
-Most of these aerosols reflect sunlight and have a cooling effect
⩥ black carbon aerosols (a major component of soot). Answer: -absorb
solar radiation entering the atmosphere and have a warming effect.
-warms the climate by absorbing solar energy rather than infrared energy
from the planet
