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| The planet with the most atmospheric mass: |
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| The planet that has relatively the largest amount of hydrogen |
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| Planet with the largest amount of carbon dioxide in the atmosphere |
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| Planet with the lowest solid to gaseous mass ratio |
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| Temperature of the outer solar photosphere |
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| Earth is estimated to be about 4.6 billion years old based on |
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| the time of formation of the oceans |
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| Mars is a red planet potentially because |
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| it contains a high density atmosphere with iron-bearing dust |
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| Moon rocks are different from terrestrial rocks because moon rocks contain |
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| Highly refractory materials |
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| The average density of earth is |
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| Oxygen content of the arth's atmosphere began to increase at about 2.8 billion years ago only after |
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| the current bacterial photosyntehsis process came into existence |
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| The bacterial photosynthesis process before the current one involved the utilization of |
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| The average density of the sun is |
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| Nearly 99% of all the atoms in the Sun consist of |
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| Which planet has its axis of rotation tilted very highly? |
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| Meteorites are of three types. Which could not have possibly come from the planet mars but could have come most likely from the asteroid belt? |
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| Mars has the following atmospheric composition: |
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| Ice caps of Mars are covered at all times by |
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| part of the year by water ice and the other time by dry ice |
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| An estimated amount of cometary and asteroid materials that come to Earth each year is about |
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| Cooler regions than the surroundings |
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| In recent times, sun spot ccle is repeated about every |
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| The atmospheric composition of earth is kept in |
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| chemical disequilibrium possibly by activity of living materials |
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| primarily silicate in composition |
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| Earth's magnetic field is created by |
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| materials within the core |
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| Escape speed of an objet from the surface of the earth is about |
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| 11.2 km/sec or 25,000 miles per hour |
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| yhr sbrtshr dprrf og hyftohhrn molrvulrd sy 0 degree centigrade is about |
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