HELP Combination (or synthesis) – two or more elements combine to form a compound. Na + O2  Na2O

Bella is about to be married in two months. when she shopped for the bridesmaids' gowns, her gown, and flowers for the ceremony, she spent a lot of time in deciding what to buy. she was not sure whether her parents, in-laws, and fiancé would like her selections. which form of purchase decision process is bella engaged in?

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

1u.s. history question! question: how did world war ii change the united states' position in world affairs? i need good explanation to support the answer otherwise i get docked points. real answers only ! you! : )