A, a concert of the singer (I'm actually not so sure but medium means media and it's a system of communication.
Either "By 2007, more Americans lived in or near cities than they did in rural areas." or "<span>Even today, the need for work is a common reason people move to urban areas."</span>
Answer:
the comma (,) should be used after the word flower petals.
Explanation:
the sentence should be like this:
When all the students finished showing their flower petals, Miss Mary invited Jessie to show what she had collected.
