Which two elements make up most of our sun's composition? *hint - around 1min

In 4/4 time, two eighth notes are equal to: a.one half of one beat. b.one beat. c.one sixteenth of one beat. d.two beats.

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

Which greek scientist had a geometry theorem named after him and attempted to understand the world through mathematical reasoning? a. pythagoras b. euclid c. archimedes d. hippocrates