QUESTION 1 0.5 points Save Answer Global estimates for the percent of plastic that is actually recycled are about 9 percent. Why is so little plastic actually recycled? Choose all correct answers. O Many recyclable items are put into the wrong waste stream When oil prices are low, the market for recycled plastics shrinks O Many plastics cannot be easily recycled The recycling stream is contaminated with many non-recyclable items The recycling stream is contaminated with a lot of food waste QUESTION 2 0.25 points Save Answer What effects did Tyrone Hayes find when frogs were exposed to Atrazine? Male sex organs didn't develop properly. O Cancerous tumors occurred in their lungs. O Aggressive behaviour increased. Short-term changes to their DNA occurred. O Ability to breathe was reduced.\fQUESTION 13 How much forest cover does Canada currently have compared to the forests that covered Canada in the 1600s? O 70% O 10% O 150% O 2% O 17% QUESTION 14 Where does the garbage come from that accumulates in the ocean garbage patches? Choose all correct answers. O Single-use plastics from land 0 Abandoned fishing equipment Products lost in shipping O Airborne particulates O Untreated sewage\fQUESTION 5 What are some of the effects associated with air pollution that are measured in the documentary Something in the Air: the Nature of Things? Choose all correct answers. Lung cancer in non-smoking young adults Levels of nutrition O Changes to the brain associated with Alzheimer's disease Short-term changes to DNA Asthma symptoms QUESTION 6 What are the main consequences of eutrophication? Choose all correct answers. Reduced oxygen levels Depleted fisheries Reduced drinking water quality Higher acid levels O High levels of lung cancerQUESTION 7 Where does plastic that is not recycled end up? Choose all correct answers. Washed out to the ocean O In local landfills Biodegrades O Reused by manufacturers O Other countries QUESTION 8 Where is deforestation currently occurring most rapidly? O Industrialized countries O China's Northern forest O Tropical forests O The Sahara Desert O Canada's Boreal forestQUESTION 9 What are the main pollution sources that cause eutrophication? Choose all correct answers. Emissions from burning coal Untreated sewage Manure from livestock Lawn fertilizers Phosphate-rich detergents QUESTION 10 Match the following pollution terms with their definitions. Bioaccumulation A. A street with large buildings on both sides which affect air movement and sunlight Biomagnification B. Excessive nutrients in a water body which cause algal blooms and dead zones Persistent pollutant C. A chemical that interferes with hormone systems in living things Endocrine disrupter D. A toxin that remains in the environment for a long time because it does not easily Eutrophication biodegrade Urban canyon E. A buildup of a toxin over time in a living organism F. An increase in the concentration of a toxin in a living organism as a result of eating other organisms