1. Early earth had no ozone layer, which means it was most likely extremely hot.
2. Young earth had no oxygen and life needs oxygen in order to survive.
3. There where so many natural disasters happening all the time, like volcanic eruptions and constant impact with meteorites and asteroids.
-Extra one (4. Earth originally had no ocean and water. Oceans eventually formed from the water vapor released from the volcanic eruptions, but before that there was nothing.)
As per questions,
★ What to do before a volcanic eruption?
Ans • Pack up some belongings especially radio, torch, some extra batteries, if possible then some dry eatables.
• Run out of the house with limited supplies and go to higher altitude areas like in mountains.
• Take some essential pain reducer medicines.
★ What to do during a volcanic eruption?
Ans: • Listen for the emergency evacuation orders as per given by officials.
• Protect yourself from falling ash.
• Use goggles to protect your eyes.
YES!! At each point on the mirror, imagine that there is a very small flat piece of mirror that is tanger to the surface there. I hope this work for you:)
The answer is C oxygen.
Hope this helps.
