D Easy I think because all the others are posotive
Answer:
They support development because they allow people to be aware of what diseases they could catch, and it teaches them to avoid certain things that can be fatal, or germy.
Answer:
C .radioactive dating each year
Explanation:
In determining the absolute age of two rocks, the most important thing is the radioactive dating of the rocks to compare the radioactive isotopes within them.
Absolute dating involves ascribing numerical age to a rock body. It is usually done by the process of radioactive dating in which the number of daughter to parent isotopes are compared.
This helps to give a precise numerical age to a rock.
- The other choices are for relative dating.