The diagram below shows the layers of a rock having a trilobite: Which statement about the rock fossils is true? (4 points)

a)Fossil B is older than fossil A.
b)Fossil A is younger than fossil C.
c)Fossil C belongs to the same period as the trilobite.
d)Fossil B belongs to the same period as the trilobite.

You have trained year for a marathon. in your first attempt to run a marathon, you decide that you want to complete this 26-mile race in 4-5 hours. a. what is the length of a marathon in kilometers (1mile= 1.6 kilometers). b. what would your average speed have to be to complete the race 4.5 hours? give your answer in kilometers per hour.