Is the development of decreasing sensitivity to a drug because of continued use; whereas is the development of decreasing sensitivity to a drug because of the use of another drug.

 The correct answer is :  Tolerance  ;  cross-tolerance

Explanation:  Tolerance occurs when a person is given a medication continuously and sensitivity to that substance decreases in the individual, that is, his body becomes accustomed to that medication. Cross tolerance occurs when a medicine produces tolerance not only to that medicine but also to another medicine similar to that which produces the same effect or that has the same functions.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.

answer; curiosity;