How is energy lost from each trophic level?

Actual age your first developed of age well comparison age refers to absolute age true or false

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

Me the formula cacl2 represents the compound