Which two things need to be perfect in order for petroleum to form? (1 point)
Which best describes how soil is formed? (1 point) Responses Soil is formed over millions of years as rocks are melted from extreme heat. Soil is formed over millions of years as rocks are melted from extreme heat. Soil is formed over a few days as wind blows particles of sand from one place to another. Soil is formed over a few days as wind blows particles of sand from one place to another. Soil is formed over millions of years as rocks stack on top of each other. Soil is formed over millions of years as rocks stack on top of each other. Soil is formed over hundreds of years as rocks are broken down into tiny particles.
Soil is formed over hundreds of years as rocks are broken down into tiny particles.
Why are metal ores not found in every part of the world? (1 point) Responses Metal ores are only found where organisms have died. Metal ores are only found where organisms have died. Only some places have the right water and wind to create metal ores. Only some places have the right water and wind to create metal ores. Metal ores are only found where there are mountains. Metal ores are only found where there are mountains. Only some places have the correct conditions for metal ores to form.
Only some places have the correct conditions for metal ores to form.
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1) Organic matter: Petroleum is formed from the organic remains of ancient marine organisms, such as algae and plankton. These organic materials need to accumulate in large quantities for petroleum formation to occur.
2) Geologic conditions: The organic matter needs to be buried in an environment that prevents the complete decomposition of the organic material. This burial process usually occurs in sedimentary basins, where the organic matter is subjected to high pressure and temperature over millions of years. These geologic conditions are necessary for the transformation of the organic material into petroleum through a process called diagenesis and subsequent catagenesis.