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Questions and Answers
When did the majority of the chemical elements appear in the Universe?
When did the majority of the chemical elements appear in the Universe?
- After the formation of stars and planetary systems
- About 14 billion years ago
- During the expansion and cooling of the Universe
- Shortly after the creation of the Universe (correct)
Based on the text, what are the two important movements of the Earth?
Based on the text, what are the two important movements of the Earth?
- Revolution around the Sun and rotation around the Moon
- Revolution around the Sun and self-rotation (correct)
- Revolution around the Moon and rotation around the Sun
- Revolution around the Moon and self-rotation
What are the unique conditions on Earth that contributed to the development of life?
What are the unique conditions on Earth that contributed to the development of life?
- An optimal position in the Solar System and large amounts of water (correct)
- An optimal position in the Solar System and an atmosphere
- An optimal position in the Solar System and an atmosphere with large amounts of water
- Large amounts of water and an atmosphere
When were stars and planetary systems formed?
When were stars and planetary systems formed?
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Based on the text, what is the source of thermal energy and radiation received by Earth?
Based on the text, what is the source of thermal energy and radiation received by Earth?
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