Keep your station dry
pull on the plug, not the cord.
hope I helped!
I uploaded the answer to a file hosting. Here's link:
tinyurl.com/wtjfavyw
Option B: 2, 8, 18, 32.
2 in the K shell, 8 in L shell, 18 in M shell and 32 in N shell.
Answer:
if a mixture of a given percentage or ratio strength is diluted to twice its original quantity, its active ingredient will be contained in twice as many parts of the whole, and its strength therefore will be reduced by one-half
