SSC MTS EXAM

SSC

WORLD GEOGRAPHY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Life does not exist on other planets in our solar system due to their
A
extreme temperatures.
B
size.
C
shape.
D
lack of carbon dioxide.
Explanation: 

Detailed explanation-1: -Finding the Perfect Planet In recent years, scientists have discovered a large amount of exoplanets, but close to none of them could actually support human life. For example, Kepler 10b, an exoplanet in another solar system, is close to the size of Earth, but it’s too close to its star for human life.

Detailed explanation-2: -Life seems limited to a temperature range of minus 15oC to 115oC. In this range, liquid water can still exist under certain conditions. At about 125oC, protein and carbohydrate molecules and genetic material (e.g., DNA and RNA) start to break apart. Also, high temperatures quickly evaporate water.

Detailed explanation-3: -Earth is the only naturally habitable planet for complex (e.g. human) life in the solar system. The consequences of a warming climate are far-reaching and are already threatening some people’s ways of life and damaging wider biodiversity.

There is 1 question to complete.