How many bones are found in the arm or brachial region?

An economic term that describes happiness and its hard to measure in numbers is

What are the basic input of iron and steel industry

Identify the example of when situation and time are key to assessing risk of harm in a research study: a study on the efficacy of a behavioral intervention for smoking cessation involves both adults and teenagersasking women if they have had an abortionresearch on the prevalence of hiv-infected individuals in communitiesa survey about sexually transmitted diseases