The central idea is what the main thing. For this, I think the central idea is simply Cactuses.
I'm not sure what another supporting detail can be, but if there's a back side, or another page about cactuses, I can sure help! But if that's the only side, ask your parents. xD
<h3> </h3>
<h3>Dahil may pandemya</h3><h3>Module o Online Class ang edukasyon dahil sa pandemya ang mga Tao nag </h3><h3>social distancing, nagsu-suot ng</h3><h3> Face mask Para hindi makahawa sa mga sakit. </h3><h3 />
I think that it would be protection. If he wears a helmet and watches out for traffic, there is a lower risk of him being run over or hurting himself badly when he falls of his bike. If he is mindful of pedestrians and uses hand signals, there is less of a chance that he will hit a pedestrian which could result in one or both of them getting hurt.