What were the different theories and experiments that helped explain how life on Earth began?

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

Were you able to observe the nucleolus in any of the cells if so which ones

Every early childhood education program should develop a