Crossword Puzzle My Favorite Meal - End of UnitOnline version Review the concepts from our Sustainability unit & My Favorite Meal project by Marissa Felix 1 2 3 4 5 gases that contribute to the greenhouse effect 6 a measurement of the impact human activities have on future generations' ability to live on & use the Earth's resources 7 excessive richness of nutrients in a body of water, frequently due to runoff of agricultural chemicals from the land 8 9 10 11 12 13 14 15 16 17 produced without chemical agents, like pesticides, fertilizers, etc. 18 19 20 Normally, _____ items take up to 1000 years to degrade in a landfill. 15 13 16 19 18 17 8 20 14 9 3 2 5 1 12 11 10 6