Which evidence best supports the claim in an argumentative essay that the voting age should be changed to sixteen? a blog by a sixteen-year-old who works for a presidential campaign
a science magazine article about how sixteen-year-olds view adults
a research study showing that sixteen-year-olds can understand complex issues
a newspaper article about sixteen-year-olds in different cultures around the world

research study showing that 16 year olds can understand complex issues

Explanation:

this is the best evidence because if it's a study then that mean there's proof to it and it's unbiased. the first option is biased because they work for the campaign, the second has no relation to why they should vote at 16 because it's only how they view adults, and the last one also has no relation to it because it's just about different cultures and 16 year olds in those parts.

a research study showing that sixteen-year-olds can understand complex issues

Explanation:

it makes the most sense, and a research study with a credible author is the most credible source.

she feels sorrowful and regretful. helen felt delight after breaking the doll.  

hope this