People have learnt to make shelters in a way so that they don't get affected by natural disasters that are common in their area. For example, people make houses of complete brick so they are stronger and can withstand a powerful storm
Explanation:
it helps to make juices.
It helps to make concentrated acid into dilute acid.
Number of moles of the gas, Temperature and the volume of the gas.
Kr look on periodic table it's krypton elements
Explanation:
Sodium Chloride or NaCl is made up of two elements, sodium (or Na) and chlorine (or Cl). A molecule of sodium chloride, NaCl, consists of one atom each of sodium and chlorine. Hence, each molecule of NaCl has 2 atoms total.