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Why is Earth the Only Planet that Sustains Life?
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Why is Earth the Only Planet that Sustains Life?
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Earth is the only planet in the Solar System able to sustain life
Earth is the only planet in the Solar System able to sustain life. There are several reasons for this.
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The first reason is that Earth has breathable atmosphere
The first reason is that Earth has breathable atmosphere. Living creatures require oxygen for life which is in Earth’s atmosphere and water.
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The second reason is that Earth has suitable climate
The second reason is that Earth has suitable climate. This is caused by the moderate amount of carbon dioxide in the planet's atmosphere, which is constantly refreshed whenever there is a volcanic eruption. The temperature on Earth does not go from one extreme to the other either as on the other planets.
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The third reason is water
The third reason is water. Water is the most important chemical needed for life next to oxygen. Other liquids contain poison. Water can be found anywhere on Earth in its three states: solid, liquid or gas.
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The fourth reason is light. The sun provide Earth’s light
The fourth reason is light. The sun provide Earth’s light. Plants use the sun to growth and produce the oxygen we breath. We have regular sunlight whereas other planets have longer period of darkness which is not good for growing plants.
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The final reason is the Sun
The final reason is the Sun. If there were no Sun, there would be no life on Earth. The Sun provides the proper amount of heat and light to allow life. The Sun’s gravity keep Earth from floating away.
Importance of the Atmosphere Earth's atmosphere is a thin layer of air that forms a protective covering around the planet. Earth's atmosphere maintains.
Our Atmosphere The Greenhouse Effect. The Sun The Sun provides the Earth with continuous heat and light.
Life On Earth Why does Life Exist on Earth?. Essential Standard 6.E.1 Understand the earth/moon/sun system, and the properties, structures and predictable.
Could We Live There? Venus By Miss Hicks. Distance from the Sun This planet is 0.72 AU from the Sun. That’s about 67,237,912 miles!
Part I The Sun is a star located in the center of our Solar System. The Sun is a huge sphere composed of super-heated gases (plasma). The Sun’s gravitational.
Our Eight Planets? In our solar system we have eight planets. Those eight planets are called, Pluto, Jupiter, Saturn, Uranus, Venus, mercury, Neptune,
Warm Up What is the atmosphere?. Why is the ATMOSPHERE important?
The Air Around You. How long will the candle burn? Remember the activity we did yesterday? Any comments? Or reflections?
Chapter 7e Earth is a living planet. 7.5 Earth as a Living Planet Our Goals for Learning What unique features on Earth are important for human life? How.
Life on Earth EARTH AND SPACE. Life is great and we get to experience it every day. But what makes us able to have such a luxury? Why are we the only.
FOOD FROM THE SUN animals eat plants to get energy, other animals eat these animals, plants produce their own food from the sun.
Conditions for Life Are we ALONE Who’s out there? Click!
Existence of Life Class Notes. Goldilocks & the 3 bears ○ Remember the story of Goldilocks & the 3 bears. ○ Think about what the words “just right” meant.
The sun is the primary source of Energy to Earth’s climate system.
THE ATMOSPHERE Our Dynamic Earth. The Atmosphere The atmosphere is the layer of gases that surrounds the Earth. It is made up of several different molecules,
Photosynthesis and Respiration Cell Processes and Energy.
Photosynthesis Photosynthesis is the process by which plants make their own food.
The atmosphere is a mixture of gases that surrounds a planet, such as Earth. Nitrogen, oxygen, carbon dioxide Gases can be added to and removed from the.
Interactions with the Environment I am Learning how plants interact with the Sun’s light and heat to support life on Earth. I am Learning how plants interact.
Physical Connections Chapter 3. All life is possible on Earth because of 4 conditions: Constant, relatively mild temperature Constant, relatively mild.
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