Holocene Study guides, Class notes & Summaries

weather exact state of the atmosphere at a particular location and time climate long-term patterns or trends of meteorological conditions (usually periods >30 years) climate change change in the statistical properties of the climate system when considered over periods of decades aka global warming for how many years do we have observational history of temperature change? 150 years how much has the earth warmed since 1860, according to satellite thermometers? 1.1 C how has the warmi...

According to the geologic time scale the Phanerozoic eon began? - ANS - 540 million years ago The supercontinent whose break up approx 210 mil years ago initiated the formation of the present day Atlantic Ocean is known as? - ANS - Pangaea The lightest weight hydrocarbon molecule found in the paraffin series is? - ANS - methane Currently living in what Epoch? - ANS - Holocene Protons carry what type of charge? - ANS - positive One important distinguishing characteristic of the paraffin ser...

Who is Johan Rockström? John Rockström is a Swedish scientist whose work is concerned with Sustainability. He co-directs the Potsdam Institute for Climate Impact Research (PIK) nearby Berlin, Germany. Who is David Attenborough? Sir David Attenborough is an English broadcaster and naturalist, and BBC broadcaster, who spoke at the 2021 COP26 in Glasgow, urging delegates to address climate change and "turn tragedy into triumph" In general, what is Johan Rockström's main focus in h...

WGU D199 Exam Questions and Correct 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 t...

Components of the homeostatic control loop receptor, control center, effector Negative feedback -works to oppose change -brings condition back to a set point Positive feedback -works to enhance change -brings condition further away from a set point Tonicity relates to how the solution influences the shape of body cells Hypotonic solution RBC undergoes hemolysis (swelling) Hypertonic solution RBC undergoes crenation (shrinking) Osmosis -concentra...

WGU D199 Summary and Test Latest Update Graded A What does the Hockey Stick graph reveal about global surface warming? The global surface temperature remained stable throughout much of history but has risen sharply in the last 50 years. 3 MULTIPLE CHOICE OPTIONS According to the map above, which region sent the largest number of immigrants to the United States in the late nineteenth century? Northern and western Europe 3 MULTIPLE CHOICE OPTIONS According to this map, which development occur...

D199 WGU 2024 EXAM QUESTIONS WITH 100% CORRECT ANSWERS.

On which of the following organisms has human technology had an evolutionary impact? all of the following: mosquitos bacterial houseflies bald eagles fish How can scientists use ice cores (like the one pictured below) to provide the best evidence of global warming? Drag and drop the correct answer to the picture. old people in coats They can compare the relative abundance of stable isotopes of oxygen found in each layer of ice. The map below displays the levels of human mort...

WGU Geography Section 3, Questions and answers, VERIFIED. How can fuel cell technology provide a partial solution to climate change? - -Fuel cells are widely deployable and zero-emitting, so they are likely to be widely adopted, reducing use of fossil fuels.They emit a very low amount of carbon emissions. How can electric battery technology provide a partial solution to climate change in the future? - - 1.Batteries can be used along with pumped hydro, solar, and wind to store the electr...

GGH2604 SUMMARY 2022/2023 Learning Theme 1 – Geography in the Anthropocene 1.1 Introduction - Geography offers a unique perspective on how human activities affect and influence ecological processes at different scales - The ANTHROPOCENE – the age of man - Evidenced by the widespread pollution & presence of artificial radioactive particles - Zalasiewicz (2016) -: sufficient evidence exists to suggest that the Anthropocene is a real ecological phenomenon with potential to be formali...