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The sun generates enormous amounts of heat which then travels to the earth, raising the temperature of the earth to that which can sustain life which is at an average of 15oC on the Earth's surface.
The light generated by the sun provides energy for the reaction of photosynthesis without which sugars cannot be synthesized, and therefore food and consequently life cannot exist.
The immense mass of the sun causes it to attract comets, giant meteoroids, larger asteroids etc which can be on a collision course with the earth, thereby reducing our chances of being wiped out like the dinosaurs (who were killed by odds one in a million of a meteoroid of that size crashing into the Earth)
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What if the sun disappeared?
All life on earth that fully depends on the sun would die, as those form of life depends on another form of life that relies on the Sun, and without the sun, all life would cease to exist. More info athttp://youtu.be/rltpH6ck2Kc
Will a star twice the size as the sun have a longer or a short life span?
If a star is bigger than our sun. then it will have shorter life span than our sun.
How does sun fit into the star life cycle?
the sun is a cool wave
Where in the sun's life cycle is the sun?
The Sun is approximately halfway through its main-sequence process of evolution.
How many people live on the sun?
The sun is too hot to support life.
What are the 3 components which sustains life on earth?
atmosphere , water , light , the sun, climate
Is earth the only planet you can live on?
Yes because it is only planet with right amount of heat from the sun and hence sustains life.
What sustains life?
definitely oxygen , water and hope.
What is the Importance of the earth gravitational field?
The Earth's gravitational field is important primarily because it keeps the Earth in orbit around the Sun, which sustains life. Without gravity, life would cease to exist.
What is the name of the river that sustains all life in Egypt?
Nile
Why water is called a wonder liquid?
Because it sustains life. Without water, there can be no life.
What describes the land water and air on earth that sustains life?
Biosphere
What is a thin volume of earth that sustains life?
either crust or biosphere. your choice
What is the importance water?
water sustains all organic life humans are 98% water
Does the earth have a crust and what is and what does it do?
Yes and it is the layer we live on so it pretty much sustains life
What is imported water?
water sustains all organic life humans are 98% water
Why is earth a special planet?
So far, it is the only one we know of that sustains life. It is at just the right distance from the sun, it has regular seasons and a moon that helps to stabilize and maintain the axial tilt, it has abundant supplies of water, oxygen, carbon and other life sustaining elements.
