Did trilobites and dinosaurs live at the same time? What is your evidence?

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."

Why does sexual reproduction result in more genetic variation in a species