The diagram represents a section of undisturbed sedimentary rock. The general location of fossils of several closely related species is indicated. A) B was already extinct when C evolved.
B) C evolved more recently than A, B, and D.
C) D is the ancestor of A, B, and C.
D) A is the ancestor of C and D.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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c. is the correct answer

phosphorus cycle

explanation:

the phosphorus cycle is the way that compounds of the element phosphorus, an essential nutrient, are recycled in the environment. plants absorb phosphorus compounds from the soil, and decaying organic matter, including both plant matter and animal droppings, returns it to the soil. phosphorus is a vital part of atp, the energy currency of all cells, and is vital to all forms of life.