岩を貫く2年と310滴目 のんびりと弾ける曲で練習！ 【超初心者/ピアノ練習配信/個人勢Vtuber】

🌲🌧️ Did you know that female pine cones open and close depending on the weather? Putting a pine cone in water is a great way to see this in action! All you need to do is put an open pine cone in a jar of water to see it close or sit it on a radiator or in a warm oven to watch it open! Why does this happen? It’s simply so that the seeds are free to disperse when conditions are best for winds to carry them far and wide which is when it is dry. Wet weather dampens dispersal and so the cone closes