Another questions from my brother Which group of people were already living in North America when the Europeans arrived?

I will honestly give brainlest if u answer again cus me brother is getting annoying thx!

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation. b. potential benefits justify the risks of harm. c. the study makes a significant contribution to generalizable knowledge. d. risks are managed so that they are no > minimal.

Skeleton and keyword outlines are most appropriate for what speech style? extemporaneous impromptu manuscript memorized

Should the city pass a ban on skateboarders on all public property, or are the citizens who oppose the ban right when they argue that there are benefits to having the skateboarders in public parks? plan and write a response in which you state your position and persuade readers to agree with you. support your position with reasons and examples drawn from the proposed amendment to ban skateboarding and from information in the letters to the editor, as well as from your own experience.