The geologic time scale began when Earth was formed & continues until present day. At the end of each Era a occurred and every single one of a fill in the blanks :)

simple and short because this is 8th grade science and I don't want the answer to be sus :D

Witch type of microscope is used to view very small cell components like proteins and dna?

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

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geographical equipment to analyze the composition of rocks