Where is the youngest tectonic plate material found in the atlantic ocean?

What volcanoes form on a divergent plate margin

During which era in earth's history were the first insects? mesozoic precambrian cenozoic paleozoic

The pyramid has a square base that us inscribed in the circular base of the cone. draw an image of the composite shape of the base. 2) if the side length of the square base is 8 units long, what is the diameter of the circular base of the cone from the picture in number 1