C) Shang Qian remained a captive for 10 years of the Huns before he escaped.
Answer:
They might have been written down and codified because they wanted to keep it more of a secret but idk i hope this helps
Explanation:
Answer:
<u>c. Laboratory experiments have a high degree of control and may create an artificial atmosphere.</u>
Explanation:
A limitation of laboratory experiments is that the environment in which the experiments take place, is very much calculated and controled. This means that it is artificial, and this wll affect the generalization of the findings considering a not cotroling environment such as a real environment.
“First stage” will be the answer you are looking for hope this helps
