Arabia Terra is related to

a. Mars

b. Arabian Peninsula

c. Jupiter

d. Sun

ANSWER: Mars

Explanation:

Mars had a warm and wet climate about four billion years ago and provided a more favourable environment for life, say scientists who have discovered fossilised riverbeds on an ancient region of the red planet.

The study identified over 17,000 km of former river channels on a northern plain called Arabia Terra, providing further evidence of water once flowing on Mars.

While a few valleys were identified, the team found the existence of many systems of fossilised riverbeds which are visible as inverted channels spread across the Arabia Terra plain.