1. What transitions has Earth gone through and why? The young earth was anything but habitable. Radioactive elements decaying within its mass and impacts from debris raining down form space generated intense heat. There was no life during this era. Is called the Hadean era and was formed about 4.5 billion years ago. Hadean comes from the Greek word Hades which means “Hell”. That’s how hot the Earth’s temperature was. The next phase in the Earth’s history was the Archean era. It existed
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The poem titled “A Poison Tree” by William Blake is about how ineffective communication can affect a person. The poem starts with the speaker being able to let out his anger to his friend and was able to end it. Then the speaker was angry at his enemy but held it in and it started to grow into something poisonous. The poem is about how suppressing your emotions can cause consequences. The poem begins with the speaker explaining how he was able to stop his anger towards his friend by talking; however
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every creature that moved upon the earth. And so it came to pass that we stepped down there on a place we believed unformed‚ where only darkness moved on the face of the waters” (Orleanna‚ page 10). • “She had reshaped our garden overnight into eight neat burial mounds. I fetched my father…then the two of us together‚ without a word passing between us‚ leveled it out again as flat the Great Plains” (Leah‚ page 37) • “He couldn’t begin to comprehend‚ now‚ how far off the track he was with his baptismal
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when the atmosphere and environment were different to those presently found on earth Archaea are single cell micro-organisms with no nucleus‚ it use anaerobic respiration (able to living in the absence of Oxygen) and live in extreme environment/condition such as high temperature‚ acid-rich‚ saline area etc. those environment are rich in minerals but hazardous to other organisms. Archaea’s population decreased after earth filled with oxygen‚ other than that‚ current archaea is very same as ancient
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A speech for Mother Earth. We are all human beings. All people‚ You‚ me‚ our neighbors. No matter where You live in this world‚ if it is in Africa or South-America‚ if it is in Asia or Europe‚ Australia or North-America‚ we are all sisters and brothers in humanity. All people of the world. Whether rich or poor‚ whether color‚ religion‚ culture or political conviction‚ we are all residents on this one planet‚ our home - Mother Earth. The time is now for us to carry
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the first and upper most layer of the Earth. There is Continental Crust which sits on top of Oceanic Crust. This layer is made frequently from granite rocks and is solid. Continental Crust is approximately 32km. Below the Continental Crust is Oceanic Crust. It is about 8km. This part of the Crust is made from basalt rocks. The Crust is most of lithosphere and is the coolest layer by far. Mantle is like silly putty consistency. It is the largest layer of Earth sitting under the Crust. It is made
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naturally occurring; Synthetic Diamond: NO – Manmade; Water: NO – liquid state‚ only a solid material can be considered a mineral – in it’s naturally occurring ice state it is a solid and therefore a mineral; Wood: NO – organic‚ living material. How are rocks different from minerals: rock is lithified aggregate of a mineral. Rocks may contain multiple minerals as well as organic matter whereas minerals are a singular substance. ATOM: Electrons‚ Protons & Neutrons: Pro & neu heavier particles
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Life on Mars and Life on Earth • Life on Earth - Right spot‚ suitable for life - Size of earth has allowed the internal heat from leaking too rapidly - Plate tectonic activity and bulkinism helps maintain and recycle carbon dioxide which helps prevent the earth from freezing - The magnetic field from the inner core maintains heat at a certain level protecting earth - Within the atmosphere‚ there exists hydrogen‚ water‚ methane and ammonia - These gases are subject to lightening and
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Table below shows the layers of the Earth : Layer Composition Depth Properties Crust Oceanic crust Continental crust Basalt Granite 7-10 km 20-70 km Cool‚ rigid‚ and brittle Cool‚ rigid‚ and brittle Lithosphere Lithosphere includes the crust and the uppermost portion of the mantle Varies; the crust and the mantle have different compositions About 100 km Cool‚ rigid‚ and brittle Mantle Uppermost portion of the mantle included as part of the lithosphere Asthenosphere
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hope for on Earth. It is something that many people work for‚ strive for and die for. But is it possible? Is it possible to unite the countries of the world and live in peace and harmony? Is it possible to unify religions‚ cultures‚ and races to ultimately achieve‚ what many beauty pageant contestants‚ call‚ “World Peace”? Good evening adjudicators and fellow students. Peace is defined as “a state of mutual harmony between people or groups”. This statement tells us that Peace on Earth is something
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