A train goes past a railway station at a high speed. A young boy standing on the edge of the platform is likely to _____?

✅ D. Retinene

✅ B. Magnetar

✅ C. O3

✅ A. 3900-7600A

✅ B. O

✅ C. Iron

✅ C. Oxygen

Oxygen is required for aerobic cellular respiration. Read more

✅ B. Mercury

Mercury is the closest planet to the Sun. Read more