Copyright

Which planet was once believed to have water on it? A. Mercury B. Venus C. Earth D. Mars

Question:

Which planet was once believed to have water on it?

A. Mercury

B. Venus

C. Earth

D. Mars

Solar system

The chemical composition of the various planets in the solar system has always been a very important line of inquiry in science.

The presence of water is considered basic to the presence of life on a planet. So, search for extra terrestrial life often revolves around search for water in celestial bodies.

Answer and Explanation:

Among the planets apart from Earth (which contains water), only Mars was believed to have contained water in the past. This is on account of the studies based on the present surface morphology of the planet.


Learn more about this topic:

Loading...
What is a Solar System? - Planets & Model

from General Studies Earth & Space Science: Help & Review

Chapter 1 / Lesson 2
31K

Related to this Question

Explore our homework questions and answers library