Answer:
C. Radioactive dating
I know this because radioactive dating is done by examining the atomic particles found in an object. The atomic particles decay over time at a predictable rate. Scientists are able to measure the rate of decay to establish the age of the fossil, organism, and/or material.
Answer:
According to the internet:
"An eradicated virus that used to be contagious, disfiguring, and often deadly."
Answer:
desolate or dreary; unhappy or miserable, as in feeling, condition, or appearance.
lonely and sad; forsaken.
expressive of hopelessness; despairing: forlorn glances.
bereft; destitute: forlorn of comfort.
Explanation:
hope this helps
