Calculate the depth of a hydrostatic type oil reservoir if wellhead is located 100 meter above the sea level, the wellhead pressure is 120 kn/m2, oil specific gravity 0.8; density pwater and patm- 101kn/m2 1000 kg/m3;

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

Answer it is also known as the completion state is untrue of the activation complex;

The answer is  d.  hydrogen