Which one of the following conditions is moat relevant for the presence of life on Mars?

A. Atmospheric composition

B. Thermal conditions

C. Occurrence of ice caps and frozen water

D. Occurrence of ozone

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. The difference between day and night increases as one moves
  2. Which planet does take the longest time in completing one revolution around the Sun?
  3. Which of the following is known as the Cold Planet?
  4. Polar Auroras are
  5. A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those…
  6. The planet of lowest density (0.69) is __ .
  7. Smallest planet of our Solar System is _____.
  8. Which planet is called 'red planet'?
  9. Among the following which planet takes maximum time for one revolution around the Sun?
  10. When dees the Summer Solstice occur?
  11. Speed of the revolution of the earth is___'
  12. Outside Antarctica, which is the deepest part of the earth?
  13. Equatorial diameter of the Earth is __.
  14. The shortest route between two places is along the
  15. Which of the following is the largest ocean?
  16. Sunspots are
  17. What are the Pleides?
  18. Which planet does take the least time in completing one revolution around the Sun?
  19. What is the difference between a lake and a tank?
  20. On the summer solstice in the Northern Hemisphere which of the hollowing latitudes will have the longest…
  21. A celestial body which revolves round the Sun and receives heat and light from it is called _____.
  22. Earth ranks _____ in the Solar System away from the Sun.
  23. A meteor is
  24. To a space traveller stationed in Moon, during the day time the lunar sky will appear
  25. Hale Bopp' is a newly discovered ____.
  26. When the Sun is vertically overhead along the Tropic of Capricorn at mid-day
  27. The date on which the Sun is vertical over the 'Tropic of Capricorn' is
  28. Which of the following are the Inner Planets?1. Mercury2. Venus3. Earth4. Mars
  29. One Astronomical Unit is the average distance between
  30. Arrange the Inner Planets in decreasing order of their distances from the Sun.1. Earth2. Mercury3. Venus4.…