The answer is B what I did is just read the sentence with each word and just heard what sounded right
Study of water is the answer
You can use technical language without defining it.
If your audience is full of experts, they do not need certain terms to be defined because they are already very educated and know what they mean.
Sometimes people use a flag to wave
Answer:
B. Despite the freezing temperature the winter parade was still scheduled for Saturday.
Explanation:
A. and D. are compound sentences; C. contains a comma splice.