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Primary 4 | Science
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DNLN
DNLN

Primary 4 chevron_right Science

Please help to answer. thank you

Date Posted: 7 years ago
Views: 2579

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Bernice Liang
Bernice Liang's answer
9 answers (Tutor Details)
1st
The safety arrows are made of a material that reflects light. When the bus is nearing the bus stop, the headlights of the bus shine on the safety arrows, making them look bright.
DNLN
DNLN
7 years ago
Thank you so much Bernice Liang.