Although dehydration is a (6) valis concern research indicates that more athletes are affected each year by hyponatremia, a dangerous condition, wherein crucial

Question

sodium levels, in the body, are diluted by too much water.
Select one answer
A NO CHANGE
B valid concern; research indicates
C valid concern research indicates
D valid concern, research indicates

Answer 1

The best option is:

D valid concern, research indicates

This choice correctly uses a comma to separate two independent clauses, making the sentence clearer and grammatically correct.