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
Tariff reduction is the the reduction of taxes on an item being shipped to another country. The answer is the last one. Birth and death rate directly causes population growth or decline. Migration can help people thrive in an environment which means more population. I hope this helps!
To find area you multiply its height by the width so 2x2 = 4 (what unit it is)