Read the four projects below. Which of these projects integrate STEM subjects? (Select all that apply) A. Students build an app for helping peers track and manage their lunchtime choices.
B. Students test the health of schoolyard soil, then record and publish a related public-service announcement.
C. Students provide constructive feedback on a peer's oral presentation. D. Students study the question of whether snack-food vending machines should be allowed in schools, and argue one side or the other.