i think your best choices would be
#2,4,5 and 6
Pangea is when once all the continents were connected to each other.
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no answer about that have you
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The Amazon rainforest plays an important part in regulating the world's oxygen and carbon cycles. It produces roughly six percent of the world's oxygen and has long been thought to act as a carbon sink, meaning it readily absorbs large amounts of carbon dioxide from the atmosphere.
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