Answer:
The clinical trial show efficacy and safety.
Explanation:
There are tests that are done to make sure that the drug, vaccine, etc. works. The effectivness is called efficacy. In order for a drug to be apporved it has to be safe and effective. If it fails this test, it is not approvable.
Communication, talk when something makes you upset or happy so one does not feel alone.
Space, it is important that each individual may also be able to be happy on their own.
Answer:
73 millions ...
Explanation:
approximately in the world ...