Answer:
The correct option is;
A) Investigational drug service
Explanation:
An investigational drug, also known as an experimental drug is a drug which are used in human clinical trials to test its efficacy in treatment of a stated condition such that permission for the the drug trial is first obtained from the administrations such as the Food and Drug Administration (FDA) in the United State of America or the European Medicines Agency (EMA) in Europe.
The linea alba is a fibrous structure that runs down the midline of the abdomen in humans and other vertebrates.
FALSE : the presence of harmful substances in the earth’s atmosphere is called air pollution
