GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
One factor that makes life possible on Earth is
A
an atmospher
B
water
C
greenhouse effect
D
gravity
Explanation: 

Detailed explanation-1: -Right temperature range. Presence of water. Presence of oxygen and hostile atmosphere. Presence of a blanket of ozone.

Detailed explanation-2: -Liquid water is an essential requirement for life on Earth because it functions as a solvent. It is capable of dissolving substances and enabling key chemical reactions in animal, plant and microbial cells. Its chemical and physical properties allow it to dissolve more substances than most other liquids.

Detailed explanation-3: -Earth is a habitable planet for the following reasons: It is at a perfect distance from the Sun. It has a combination of hydrosphere, atmosphere, and lithosphere that allows life to exist in the biosphere. The ozone layer protects Earth from ultraviolet rays.

There is 1 question to complete.