In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The modes of action are __(1)___ in science and religion. Science relies on experiment, whereas religion is based on experience. Any religious __(2)___ whether it is Christ’s or Ramakrishna’s is personal and __(3)___ . Science, on the other hand is marked by objectivity. Theory has to be corroborated by ___(4)__ proof providing material comforts. The frontiers of science do not end in knowledge but are __(5)___ to the formation of appliances for actual use.