Chemistry Topic 1/Topic 2 ,Rocks

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1. What did the marine organisms do to bring down the level of C02?

  • They developed but when they died they were buried under layers of sediment and the CO2 brcame locked up in carbonate rocks.
  • The marine organisms trumped.
  • Nothing they made CO2 levels go up.
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2. What are Intrusive rocks?

  • Igneous rock cools slowly underground-forming big crystals(Granite)
  • Metamorphic rocks cools slowly and forms big crystals(Granite)
  • Rocks from inside a volcano.

3. What is Deforestation and how does it effect the atmosphere?

  • Its add sulfur dioxide.
  • Is when you cut down an area of tree and it contributes to the amount of CO2 as tree take it in and let oxygen out.
  • It makes animals homeless.

4. What did the oxygen create?

  • Ozone layer (O3)
  • Oceans.
  • Mountains.

5. What are the two types of igneous rocks?

  • Exinsive, inexive
  • Extrusive, Intrusive
  • Migneous, Leme


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