If you put a tea bag in boiling water the water will turn to tea because the tea moves from a higher concentration (bag) to the lower concentration (water)
Yes that usually what they test you on and use more descriptive words.
This is a simple sentence. You can not split this sentence into two or more sentences (that is a sign that it is either a complex sentence or compound-complex). It also has not conjunction (and, but, yet, nor, and a few more that I can't think of right now)
Hope this helped!
~Just a girl in love with Shawn Mendes
Answer: If you meant “punctuation” instead of “capitalization,” then A would be the correct choice.