It has to be confirmed through scientific tests in a lab.
A red shift means that the object is moving away from you.
Answer:
The correct answer is D sister chromatids;centromere
Explanation:
After DNA replication during s phase or synthesis phase of interphase of the cell cycle,each chromosome has a copy and the cell that is newly formed is now 4n.
We cal these identical pairs sister chromatids and they are held together by a centromere
convergent boundry (subduction zone)
hope this helps! ❤ from peachimin
Answer:
Around 4.1 billion years ago, the first single celled life form appeared on Earth
