Latest Sophia - Environmental Science - Unit 1 Challenge 2

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Latest Sophia - Environmental Science - Unit 1 Challenge 2----Earth's Formation: History of Earth's Formation Determine the date of major events for Earth's history, according to the one-year calendar... model. According to the one-year calendar model based on the Big Bang theory, which of the following events happened in September? 2 — Earth's Formation: Atmosphere Conditions Differentiate between the conditions in the atmosphere before and after life formed on Earth. Some early life forms developed photosynthesis, which released free oxygen. When oxygen is impacted by UV radiation, it forms __________. 3 — Early Life Identify challenges for plant and animal life adapting to land. Which of the following was a challenge for plants and animals when adapting to life on land? 4 — Continental Drift and Major Extinctions: Tectonic Plates Recognize the relationship between tectonic plates and continents according to the theory of continental drift. Which of the following statements about the theory of tectonic plates and continental drift is NOT true? 5 — Continental Drift and Major Extinctions: Causes of Extinctions Determine key factors of the mass extinctions in Earth's history. Which of the following items was NOT a likely cause of a major extinction event? 6 — Human Arrival and Expansion [Show More]

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