The Hadean era was before rocks were formed so I’d say b) . Hope this helps :)
It is warmer and milder temperatures today, and back in the Ice Age it was colder and the summer seasons were much shorter.
Answer: No
Explanation: The ocean floor might be a little younger than the earth because The earth had to form its self first and then on the inside everything else
Answer:
Mark how much distance is between the southern parallel to your location. Add this to the latitude of the southern parallel to get the latitude of your location. To measure the longitude you must place the ruler diagonally on the west and east meridians with the ends of the 2 ½ minute ruler touching both meridians.
Explanation:
