Which of the Numbered Features Is the Youngest

Q43: The impressions of fossil shells in this

Q44: This figure shows the geologic timescale.Which period

Q49: This figure has rock units and geologic

Q50: In this diagram the contact between the

Q53: This figure shows the main subdivisions of

Q54: Which of the following is NOT a

Q77: What types of life developed during the

Q90: What marks the boundary between the Mesozoic

Q116: To what does the term evolution refer?<br>A)

Q119: What were some of the earliest forms