What is a molecular clock? Select one:
ill give 30 points!

The idea that some sections of DNA can accumulate mutations fast while other parts accumulate mutations more slowly.

The idea that some sections of DNA are resistant to mutations and do not have them.

The idea that DNA evidence can be used to support evolution.

The idea that a section of DNA accumulates mutations at a constant rate over time.

Could you elaborate?

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the