which of the following is not a function of the skeletal system? A support your body B give shape to your body C bring oxygen to your body D protect your body . PLZ HURRY

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

The activity of the modern sample is 1.10 bq . how long does that measurement take?