just.relax.109 3/10/2025 8:29:23 PM

Câu 650:

Choose A, B, C or D to answer each question.

The teacher has noticed that students are not following safety protocols during science experiments. She wants to ensure the students are safe and has asked the lab assistants to monitor closely. Which situation should the lab assistants report to the teacher?

A. A student is sitting at their desk quietly and reading the experiment instructions.

B. Two students are working together on the experiment and are carefully following the procedure.

C. One student is holding a beaker too close to their face while heating it.

D. A group of students is discussing which experiment to try next, but they are not yet starting.

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