Answer:
16 years because it usually occurs in younger people/teens
Answer
I’m not philippine so I can’t help lol
The Proterozoic division of the geological time scale is an era of the Phanerozoic eon. The Proterozoic division began 2.5 billion years ago and ended 542.0 million years ago.
PLEASE TRANSLET IT IN ENGLISH BECAUSE I CANT UNDERSTAND IT