Observe the layers of the graph below.
layer 1: a, c
layer 2: e
layer 3: a,d,f
layer 4: b
layer 5: f,c
layer 6: d, b

what is most likely an index fossil?
a.) a
b.) b
c.) d
d.) e

As human beings, our values and beliefs affect the quality of our life, our work, and our relationships. ... The beliefs that we hold are a critical and essential part of our identity. They could be religious, moral or cultural; but they are part of us and reflect who we are.