2. As the earth developed its atmosphere, the rocks that formed at the same time, changed with it. Those rock layers represented what the atmosphere was like.

a. Use the notes from class and determine what type of atmosphere will be involved in the formation of ONE of the following: Limestone Layers, Banded-Iron Formations, and Red Beds

b. Make sure to list which layer you are describing.

c. Make sure to explain how you know what the atmosphere was like based on how those rocks form.

d. Describe how the atmosphere during this time is different than the atmosphere we have today

Respuesta :

The rock layers in earth are formed by the process of sedimentation by wind, water or chemical weathering. Limestone layers are formed in earth by the precipitation of calcium carbonate from the ocean water.

What is limestone layer?

Calcite, a mineral with the chemical formula CaCO₃, makes up the majority of limestone, a sedimentary rock. It often develops in shallow, warm, quiet, and clear marine environments.

The majority of the time, limestone is a type of biological sedimentary rock that develops as an accumulation of shell, coral, algal, fecal, and other organic waste.

The precipitation of calcium carbonate from lake or ocean water is one example of a chemical sedimentary process that might cause its formation.

The atmosphere of earth in the earlier time was cool without sufficient temperature. When the temperature started to raise by the presence of green house gases the atmosphere set to what we see today.

To find more on limestone layer, refer here:

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