Answer: Wealthy people have more willpower than poor people
Explanation:
The implied main idea of this reading is that wealthy people have more willpower than poor people.
This can be deduced from the passage that while the children from poorer families were more likely to eat the first marshmallow than wait, due to the fact the future is uncertain, the wealthier children found it easier to hold out, because they believed that their needs will be met.
Explanation on how to answer:
Read the story and figure out whats missing. Without the whole story, no one can tell you what important part is missing. Find the section that that excerpt is from and see what the differences are, or post the full story.
Answer:
I believe this would be an adverb phrase as you are describing an action.
To keep the paragraph sounding relevant to the topic and adding detail to the topic