mention the significance for existence of life on earth. Justify
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Answer :
The significance for existence of life on earth are :- Food , Water , Sunlight , The right atmosphere and Temperature.
Humans for example , need to breathe in oxygen and can survive in temperature that are not extreme hot or cold. Even the strength of gravity determines the form of our bodies such as our bones and muscle strength.
WATER has a major significance behind the existence of every plants and animals as because it contains the oxygen needed for life and allows life-providing molecules to move around easily.
Earth is the only planet that uses the SUNS’s light as useful as a source of energy. That energy is used to convert elements, by living things, into a useable form. A plant uses the energy provided by the sun to drive photosynthesis and provide food to grow. As a by-product, oxygen is released which we then use as an energy source of our own.
Another significance is the distance of the Earth from the Sun which makes it a perfect reason for the life because it receives the perfect amount of heat and light to allow life to be created and to support it.