Good because I know I am giving them good pointers, or feedback on whatever the situation may be.
It is a safety procedure in industries that lock dangerous machines and ensure that there is no operation until maintenance or repairs have been made.
Answer:
D) Molecules move from areas of high concentration to areas of low concentration.
Explanation:
Not originally from the place they are now.
<em>*Some one who migrates to a different area*</em>
I am going to take a guess C
