Earth Day Crossword Puzzle

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QUESTIONS LIST: 1970: the first earth day was celebrated this year, 1962: the environmental book "silent spring" by rachel carson was published in this year, earth: the theme for earth day 2022 was "restore our _ .", biosphere: the earth's outermost layer where all life exists, amazon: the largest rainforest in the world, which is home to a significant amount of earth's biodiversity, planetary boundaries: the term for the point in time when humans have caused irreversible damage to the planet, climate change: the 2015 paris agreement was signed to address this global issue, montreal: the international treaty designed to protect the ozone layer, signed in 1987, april 22: the day on which earth day is celebrated annually, photosynthesis: the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, global warming: a term used to describe the increase in earth's average surface temperature due to rising levels of greenhouse gases, 197: the total number of countries that signed the 2015 paris agreement, biodiversity: the term for the variety of life on earth, including species, genetic diversity, and ecosystems, moon: the earth's natural satellite that controls ocean tides and affects the planet's climate