What do you understand by agriculture related occupation a??

Many members of the civilized tribes farmed

Rank the following from most to least devasting: ordovician, permaian, cretaceous, pleistocene

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