B. population of the region
Hello there!
A <em>hypothesis</em> is an initial proposal that is tentative, whereas a <em>theory</em> is a proposal that has been tested extensively.
Explanation:
A hypothesis is defined as a supposition or proposed explanation made based on evidence to make further investigation. And a theory is something based on ideas to explain other things or general principles where the practice is an essential key for investigation success.
North Korea
China
USA
Canada
After a stressful event you may need to take a break. You should then redirect yourself to another activity, then finally reconnect yourself to whatever you were previously doing, or to those around you.
I would assume the answer is ii, based on personal knowledge.
Hope this helps!