
Earth and Life Science 1st Periodical Test
Quiz by Maryneth Hufalar
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What makes planet Earth different from the other planets in the solar system?
2. Which is not true in a comparison between Mars and Earth?
3. Traps heat, shield the surface from harmful radiation, and provide chemicals needed for life, such as nitrogen and carbon dioxide. Which factor is being described here that ispresent to planet Earth?
4. It was found out that Earth’s surface is covered with water. Approximately, how many percent of water comprises the Earth?