Which of the following statements represents the absolute age of the subject?
1 point
1
Question 2
2.
The same index fossil is found in rock layers A and B that are separated by several miles. What can you infer about the relationship between the rock layers?
1 point
1
Question 3
3.
Which fossil would be the best index fossil?
1 point
1
Question 4
4.
If the half-life for the sample is 2,000 years, how old is the sample when there is 25% of the parent element remaining?
1 point
1
Question 5
5.
In seafloor spreading, molten material rises from the mantle and erupts...
1 point
1
Question 6
6.
Which type of evidence was NOT used to support the continental drift hypothesis?