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Questions and Answers
What is the estimated age of Earth based on the data from slowly decaying radioactive isotopes?
What is the estimated age of Earth based on the data from slowly decaying radioactive isotopes?
- 3.5 billion years ago
- 4.5 billion years ago (correct)
- 6 billion years ago
- 2 billion years ago
What process gave rise to the first cellular life?
What process gave rise to the first cellular life?
- Osmosis
- Endosymbiosis (correct)
- Photosynthesis
- Fermentation
What materials created the disc-shaped nebular cloud from which our star, the Sun, was formed?
What materials created the disc-shaped nebular cloud from which our star, the Sun, was formed?
- Dust and gases released from a supernova (correct)
- Volcanic eruptions
- Meteorite impacts
- Chemical reactions in the atmosphere
What did the Sun undergo that led to the release of large amounts of heat and light?
What did the Sun undergo that led to the release of large amounts of heat and light?
What process caused the leftovers in the nebular cloud to start clumping and fusing?
What process caused the leftovers in the nebular cloud to start clumping and fusing?
What is the estimated age of Earth based on the data from slowly decaying radioactive isotopes?
What is the estimated age of Earth based on the data from slowly decaying radioactive isotopes?
What process gave rise to the third evolutionary lineage, Eukarya?
What process gave rise to the third evolutionary lineage, Eukarya?
What process led to the release of large amounts of heat and light by the Sun?
What process led to the release of large amounts of heat and light by the Sun?
What materials created the disc-shaped nebular cloud from which our star, the Sun, was formed?
What materials created the disc-shaped nebular cloud from which our star, the Sun, was formed?
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