Select the correct answer from the drop-down menu. Choose the most appropriate word to complete the sentence.
Young workers are vulnerable to injuries due to lack of
.

Mario was conducting research regarding the treatment of aids victims using stem cells. he found a source that was written recently and the author was known. unfortunately, he could not determine if it had been peer reviewed.

Is it rare to have scoliosis and double jointed shoulders?

How you feel when someone is boastful and self absorbed when providing you a professional service? why?