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Questions and Answers
Which planet is the only known planet to maintain life?
Which planet is the only known planet to maintain life?
- Mars
- Venus
- Jupiter
- Earth (correct)
What is the estimated number of species of plants, animals, bacteria, fungi, and others that have been cataloged on Earth?
What is the estimated number of species of plants, animals, bacteria, fungi, and others that have been cataloged on Earth?
- 1.5 million (correct)
- 500,000
- 100,000
- 10 million
What is the primary reason why Earth is able to contain water in all of its forms?
What is the primary reason why Earth is able to contain water in all of its forms?
- Atmospheric pressure
- Magnetic field
- Gravity
- Proximity to the sun (correct)
