10. Radioactive isotopes in fossils decay at a constant rate. The ratio of radioactive isotope to
or the rock it was found
in. This is an example of
dating.
stable isotope can be examined to estimate the age of the fossil
• A. absolute
• B. magnetic
• C. relative
A
O D. Precambrian

How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half

Explain how organisms could be harmed by high levels of salt from roadways?

Why is it important to study each branch of earth science?