Which describes a group of organs that work together to perform a common function? O tissue
O organism
O organ system
ocell

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

What’s the student’s scientific question

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen