C, that a sedimentary layer is 100 million years old.
Explanation:
The law of superposition functions without regard to exact times, basing its times <em>relative</em> to the layer above or below it. Without the age of a specific layer being giver in advance, you will not be able to determine the specific age of the layer being examined, only a relative age.
Answer: Can then plant survive with few nutrients and little water? How large does the plant grow? How many offspring does this plant produce at one time?
