nonassertive tone often shows the lack of energy
That's not a question... this is a waste of someone's time!!
Answer:
Explanation
please find the answer and explation to the mqq questions in the attachment below
One, two and four are limitations of psychological experiments.
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.