To determine: The future concentration of atmospheric CO2 (carbon dioxide), arctic sea ice, and global temperature is based on the given trend line.
Introduction: Climatic change is a long term significant change in climate that is also known as global warming. Human activities play a key role in climate change, which increases the concentration of the greenhouse effect and results in the rise of sea water level, prolonged weather condition, and increase the Earth’s temperature.
To determine: The period when arctic became ice free in the late summer if the given trend persists.
To determine: The condition when the concentration of CO2 is doubled from the preindustrial level.
To determine: Whether it is reasonable to extrapolate the trend lines into the future.
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Biology
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- The graphs below represent changes in atmospheric carbon dioxide concentration and Antarctic temperature over the past 800,000 years. Which of the following statements accurately explains the trends in the concentration of atmospheric carbon dioxide from 200,000 years to the present? * 400 350 8 4 300 250 8- 200 -12 800,000 150 600,000 400,000 200,000 Years Before Present Atmospheric carbon dioxide concentrations have remained constant between 200,000 years ago until 50,000 years ago, after which they declined steadily. Atmospheric carbon dioxide concentrations increased exponentially until reaching a carrying capacity of 400ppm. Atmospheric carbon dioxide concentrations have risen and fallen between 150ppm and 250ppm until rising exponentially in recent years. Atmospheric carbon dioxide concentrations have risen and fallen between 175ppm and 330ppm. Temperature (°C) Concentration (ppm)arrow_forwardThe following graph shows the average pH of the ocean over the last 20 million years of Earth's history. 8.4 8.3 8.2- 금 8.1 - 8.0 7.9 -15 -10 Time (millions of years before the present) Source: Acidification Model Source CO2SYS (Pierrot, Lewis and Wallace. 2006. Carbon Dioxide Information Analysis Center, ORNL, US DOE, Oak Ridge, TN, USA) What can be concluded from the graph? Select all that apply. -25 -20 0 5 Ocean acidity has been steadily increasing from 20 million years ago to the present time. Average ocean pH has fluctuated over the millennia from just over 8.0 to about 8.3. In the last 20 million years of Earth's history, the average pH has never gone below 8.0. Ocean acidity has been steadily decreasing from 20 million years ago to the present time.arrow_forwardDescribe the effect of climate change on both dissolved carbon dioxide and ocean pH using quantitative data (include numbers!): 500 8.20 Hawaii Hawaii 450 8.15 400 8.10 350 8.05 300 8.00 250 7.95 1980 1990 2000 2010 2020 1980 1990 2000 2010 2020 Year Year étv Aa MacBook Air 80 888 DII F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 #3 3 $ & * 4 5 6 7 E R Y U { G H. J K L C V N M %3D Dissolved carbon dioxide B Ocean pH (lower = more acidic)arrow_forward
- What are 3 main pros and 3 main cons of climate change ? And explain why they are pros and cons.arrow_forwardIN MORE THAN 500 WORDS Aside from the rise in mean temperature and CO2 levels, what are some other pieces of evidence from global warming? Note: [Do not copy on Google!, PLEASE FOLLOW THE QUESTIONS]arrow_forwardGiven the information in the graph, what conclusion can you make concerning the relationship between climate change (increasing global temperatures) and the amount of carbon dioxide released into the atmosphere by land ecosystems? Explain, using information from the graph to support your explanation.arrow_forward
- ect the correct answers. Click again to unselect answers. Leave the incorrect answers unselected. Figure 1. Global Greenhouse Gas Emissions by Gas, 1990-2010 Emissions (million metric tons of carbon dioxide equivalents) 50,000 40,000 30,000 20,000 10,000 0 1990 1995 2000 Year HFCs, PFCs, and SF," Nitrous oxide Methane Carbon dioxide 2005 2010arrow_forwardThe following graph shows the values of radiation and photosynthesis of quelite plants (Amaranthus hybridus) measured in four days during a month. Answer the relationship between both variables and what implications they have for the adaptation of this species to radiation. Photosynthesis in (umol CO2 m-2 s-1) 100 80 40 20 O lh 1 2 3 4 Date 2100 1600 1100 600 100 -400 Radiation in (umol m-2 S-1) Photosynthesis Radiation Active photosynthetic radiation compared to Photosynthesis of Quelite in 4 different dates: 1=June 8, 2=June 25, 3=June 26 and 4-June 27arrow_forwardWhat are sunspots? How does solar output change as sunspot numbers change? Is there a solid connection between sunspot numbers and climate change on Earth?arrow_forward
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