The last "hot house" or period of increased temperature occurred during a. the time of the dinosaurs b. during the time of modern humans c. when there was no life on earth d. during the archean

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 could be a pathway of food through an ecosystem

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement