The reagents the student is manipulating can react and shoot the student's body and face.
Explanation:
Apparently the student is not wearing any protective equipment (as not specified in the question) and is handling products that may react and cause a small or medium explosion. Should such an explosion occur, a student is in serious danger, as reaction particles would fly towards his body and face and could cause serious burns and injuries, as the student was not adequately protected.
Whenever we are handling something in a laboratory, we must wear all the necessary protective equipment to ensure our safety and prevent our body from being damaged in any way.
What are high level factors that you would need to measure to inspect improvement in a functioning ecosystem? are drastic climate changes more crucial to an ecosystem than a change in magnitude?
