Multiple Choice
Abundant fossil evidence did not appear in the geologic record until about ________.
A) 5 billion years ago
B) 6 million years ago
C) 540 million years ago
D) 300 million years ago
E) 3 billion years ago
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q11: During the early Paleozoic era, the _
Q13: This least understood era of Earth's history
Q14: Word Analysis. Examine the words and/or phrases
Q16: The beginning of the _ era is
Q18: Earth's primitive atmosphere evolved from gases _.<br>A)
Q20: The theory for the formation of the
Q47: The most common Precambrian rock type is
Q48: Western North America is the leading edge
Q52: The _ means "the Sun in the
Q129: Volcanic activity was common in western North