Question

The chart below shows some events in Earth's history and the primary sources of information which were examined to date the events.


Earth event millipede appears land mammals appear rodents appear insects appear
Primary source of information fossil atmospheric gases history books green plants

Which of these Earth events was dated using the most valid and reliable source of information?
millipede appears
land mammals appear
rodents appear
insects appear

Answer 1

I don't know what category this person wanted me to put on your so I put it under the random one

Answer 2

i think this was supposed to be geography

Answer 3

Well I had a person telle to put it

Answer 4

So does anyone know it?

Answer 5

watch this

Answer 6

how bout that