What risks did the passengers on the space shuttle challenger take?

Since a the boosters were dropped on the factory floor that same day, the boosters blew up, causing a chemical reaction to the rocket itself. Therefore, the rocket blew up and all 7 passengers inside, including a teacher, died.

answer: this is easy, i found "it"

i will repeat the question again, "find it."

here, i located it.

either online or traditional classroom can work for students. which is better will depend on students and teacher. students may have trouble following a lesson in classroom while they can study at their own pace online. other students may have trouble staying focus on their own in online classes. teachers are more used to classroom teaching but they may also be more worry about their jobs teaching online classes and work harder.