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aev [14]
3 years ago
12

1. Which layer is the oldest? Which layer is the youngest? How do you know?

Biology
1 answer:
Setler79 [48]3 years ago
5 0

Answer:

  1. the youngest layer is 7(middle point) because decomposition must occur in the middle of decomposed materials.the oldest is 12(upper one) because decomposed material are found at the top most of organisms.
  2. they are highly decomposed material.
  3. they don't decompose easily

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