Examine the layers of rock. Identify and explain which layer contains the oldest fossils? Earth layers with fossiles in each labeled top to bottom A to D. I need a paragraph

The answer is D i got this answer because, the oldest layers are at te bottom and the youngest layers are on the top.

hope this answer heps!

i do not get it   at all

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

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