Description:... Quicksand is formed when too much water flows into an area of sand or soil, turning it into a thick muck. While wet dirt might not sound all that dangerous, it can actually be deadly. Find out where quicksand is most likely to form and follow the stories of people who have experienced firsthand what it is like to be trapped in a quicksand pit. Readers will also learn how scientists are studying quicksand today and how to safely avoid or escape from this dangerous mud.
به شما اطمینان می دهیم در کمتر از 8 ساعت به درخواست شما پاسخ خواهیم داد.
* نتیجه بررسی از طریق ایمیل ارسال خواهد شد
شماره کارت : 6104337650971516 شماره حساب : 8228146163 شناسه شبا (انتقال پایا) : IR410120020000008228146163 بانک ملت به نام مهدی تاج دینی