Helped to confirm that environmental changes cannot affect the characteristics of a species.
Answer:
Fossil B is the same age as the index fossil.
Explanation:
TOO LATE BUSTER
A GPS is easier to use and is more informative with directions and location.
Human activities such as pollution , like trash , or boat oil can effect the waters that house 100 of creature and as for nitrogen cycle things like forest burning and fossil fuel combustion can result in the increased deposition of nitrogen from atmospheric sources
They can be broken by crossing over
