Explain how water molecules bond to each other what makes water a polar molecule

Water is a polar compound because oxygen attracts the shared electrons in H2O much more strongly than does hydrogen so that the shared electrons spend more time near oxygen than near the hydrogen atoms.

Answer islamic scholars made advancements in technology, literature, philosophy, mathematics, astronomy, and the arts during this time period;

If a particular resource is not useful or needed then the price would be considerably low. once that resource is needed the price or value will raise depending on how useful or needed it is especially if the resource is low in quantity, the consumers would pay whatever they have to, to get that material.