Answer:
Phase III.
Explanation:
Clinical research includes the different steps to test the particular drugs and its use for the medical treatment. Clinical research is divided into four main phases.
The phase III of the clinical research includes the double blinded study and its clinical trial on the patients. This phase determines the drug safety and efficacy. The therapeutic effect of the drug is tested directly in phase III of the clinical trial.
Thus, the answer is phase III.
Words can only describe but if you have a model you can show people what is happening rather them just using their imagination
1.true
2.true
3.fasle
4.true
5.false
6.true
NH3 since they are both non metals
Answer:C
