Answer:
Oxygen
Explanation:
Because it’s oxygen I don’t know ♀️
Words can only describe but if you have a model you can show people what is happening rather them just using their imagination
Answer:
o determine the relative age of different rocks, geologists start with the assumption that unless something has happened, in a sequence of sedimentary rock layers, the newer rock layers will be on top of older ones. This is called the Rule of Superposition. ... With absolute age dating, you get a real age in actual years
= )
The BRAIN. All of the senses send message to the Brain