CHAPTER 1 UNDERSTANDING OUR ENVIRONMENTAL-134 QUESTIONS AND ANSWERS

_ is the study of the environment and our place in it environmental science Many disciplines are involved in environmental science, including chemistry and biology which___ and economics and political science which ___. Contribute evidence; help us understand how people use resources Earth is unique in the solar system because it has a relatively stable and mild_____ Temperatures How we use numbers and graphs to understand our world is ____ reasoning. Quantitative Which of the following are current issues related to climate change? Rising levels True or false: Environmental science is the study of earths natural hazards False The many different disciplines that are used to study ___ science include biology, chemistry, economics and political science Environmental Earth is remarkable because it has plentiful clean air, fresh water, and fertile ___ that are constantly renewed through biogeochemical processes and biological communities Soil About ___% of the world population lives in regions where water demand exceeds supplies 40 What is quantitative reasoning? Using measurements and numbers to understand the world The disappearing of snowfields and glaciers due to ___ change results in the loss of drinking water for many regions and major metropolitan areas such as New Delhi and Los Angeles. Climate change ___ is the study of the environment and our place in it. Environmental science Many disciplines are involved in environmental science, including chemistry and biology which___ and economics and political science which___. Contribute evidence; help us understand how people use resources Although hundreds of millions of people have better water supplies than they did 25 years ago, over ________ people still lack access to safe drinking water. 1 billion True or false: Air pollution remains within the region it is created. False How we use numbers and graphs to understand our world is _____ reasoning. Quantitative Currently there are 7.7 ____ people on earth Billion The many different disciplines that are used to study ______ science include biology, chemistry, economics, and political science. Environmental Air pollution is involved in millions of deaths and illnesses worldwide every____ Year While the world population continues to grow, rate of population growth is ___. Decreasing Human life expectancies have ___ in the last 100 years Increased dramatically Which of the following statements correctly describes the current state of global hunger? An estimated 850 million people are undernourished. Since environmental issues require complex and novel ideas and technology, it is important to improve access to___ to facilitate innovation Information Fertility rates have decreased in most areas of the world to less than____ children per woman. 3 Which of the following statements is true regarding recent trends in global health? Infants mortality has declined The primary reason hunger is still a global problem is that____. Food recourses are not distributed evenly The improving access to education is key to fixing environmental issues True Clear-cutting of ____ has occurred worldwide; directly and drastically affecting the number of species living in these environments Forests Whereas ____itself is decreasing, attempts to protect it through reserving and protecting more natural areas is increasing Biodiversity Which of the following statements correctly describes the current state of global hunger An estimated 850 million people are undernourished Which of the following are involved in the current,large-scale loss of native species on earth? Habitat destruction nature preserve and protected areas have___ in size and number in the past few decades Increased Which of the following are true regarding recent trends in global health? Vaccines are available to every person More than one billion people depend on resources from the ____ for their animal protein source. However,fish stocks are not doing well Ocean Creating reserves, monitoring fisheries, and protecting fish nurseries are ways in which we are working to___. Protect marine resources The current general trend of biodiversity is that it is____. Decreasing ___ fuels currently supply approximately 80% of industrialized energy needs. Fossil An important idea in consumption is throughput, the amount of _____ that are used and disposed of. Resources More than___ of fish stocks have been severely depleted and are in need of better management to maintain sustainable global food supplies l. 3/4 Ecosystem ____ refers to the resources provided by environmental systems, such as water and air purification services Nations are beginning to address exploitation of_____ resources by establishing protected areas, improving fisheries monitoring, and providing sustainable management of fish stocks. Ocean Although relatively cheap, ____ fuels have high environmental costs in terms of air and water pollution Fossil _____ is the term for the amount of resources we use and dispose of. Throughput _____ are those services and resources provided by environmental systems on earth Ecosystem services Provisioning These services provide the resources, such as fuel, that we need to live Supporting These services might include water purification and waste decomposition Regulating These services maintain conditions that make earth suitable for life Cultural These services are recreational and have aesthetic benefits Regulating, cultural,provisional,and supportingare all types of ecosystem _____; they support most economic activity and are worth over $100 trillion every year Services