SCIENCE
EARTH SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Earths’ position beyond the Goldilocks Zone
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The atmosphere that blocks the rays of the sun from reaching Earth
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The abundant nitrogen in the atmosphere made life possible on Earth
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The presence of liquid water which plays a vital role for cell’s metabolism
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Detailed explanation-1: -The most important parameter for Earth-like life is the presence of liquid water, which directly depends on pressure and temperature. Temperature is key both because of its influence on liquid water and because it can be directly estimated from orbital and climate models of exoplanetary systems.
Detailed explanation-2: -What makes the Earth habitable? It is the right distance from the Sun, it is protected from harmful solar radiation by its magnetic field, it is kept warm by an insulating atmosphere, and it has the right chemical ingredients for life, including water and carbon.
Detailed explanation-3: -Earth is the only planet that uses the Sun’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.
Detailed explanation-4: -All of the living things that we know of need food and water in order to stay alive. Although different animals and plants might survive better in different places, such as deer living in forests and whales living in the ocean, they all need food and water to survive.
Detailed explanation-5: -All animals and plants need water to survive, and the human body is more than three-fourths water. Life-forms use water to carry nutrients around the body and to take away waste. Water also helps break down food and keep organisms cool, among other very important jobs.