Multiple Choice
Zircons are
A) tiny specks of carbon preserved for billions of years in minerals
B) large particles of carbon preserved for millions of years in underground deposits
C) molecular evidence of living organisms
D) a and c
E) b and c
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q26: Describe the evidence of the early types
Q27: Which of the following allowed scientists to
Q28: Oceans probably existed by<br>A) 4.56 billion years
Q29: Why was the debate on Earth's age
Q30: What is coal?<br>A) the remnants of fires
Q32: Why is it hard to find rocks
Q33: Life may have existed as long ago
Q34: Darwin believed that Earth was<br>A) a few
Q35: What are four features shared by all
Q36: Explain what we know about the transition