Answer:
Atmospheric pressure, solar winds and higher surface temperature.
Explanation:
- Water on Mars exists in the form of ice and in very small quantities as vapor form found in the shallow martin soil.
- Place where the frozen ice is visible is the north pole of Mars and evidence says that water is present beneath the carbon dioxide ice cap in south pole. With a pressure of 600 pascals, the pure water would freeze or get vaporised.
- The atmosphere of Venus consists of 0.002% of water vapor as solar winds blow away the upper atmosphere and thus the water is lost. Venus has a high rate of rotation.
- About 95% of the surface os covered y the carbon dioxide with a strong temperature variation.
