If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion?

An organism has the following traits multicellular cant photosynthesize has a skull. wht kingdom does this organism most likely belong too?

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Explain how scientists use geologic time to determine the age of landforms.