Answer:
the thickness changes by getting thicker and more dense
Explanation:
I know this because in the data it shows that the thickness and density numbers/measurements of each of the layers of the earth are enlarging
They lived in Latin and South America
i cant find where they came from but this is where they lived
Answer:
By measuring the quantity of unstable atoms left in a fossil and comparing it to the quantity of stable daughter atoms in the fossil , scientists can estimate the amount of time that has passed since that fossil formed.
hope this helps !
Unitary: no local decisions.
Federal: some local decision.
Confederation: a lot of local decisions.
