D199 WGU Exam 1 with Questions and Answers

D199 WGU Exam 1 with Questions and Answers in the last 10,000 years: ANSWER humans began modifying the land surface for growing food with advent of agricultural revolution 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.