Step 1. Simplify brackets

Step 2. Simplify
13
Done! :)
Your answer is A. 13 Hope this helps!
Parasympathetic nerves govern involuntary actions such as pupil dilation, peristalsis, gland secretions, etc.
Scientific Theory change but not thrown away because scientist
continue looking for possibilities and exact proportion to prove such theory,
though it is change because they always conducted hypnosis in every theory and
once it proves something different they conduct another hypothesis for more
actual evidence.
On way to test a mineral is to break it and see how many directions of Cleavage it has