What is the difference between its and it's?
Its (without an apostrophe) indicates possession. Contrary to common possession rules in English, the apostrophe is dropped in its. 

It's is a contraction, a shortened form of it is or it has.
<START_INST>What is the difference between its and it's?<END_INST><START_CTX><END_CTX><START_A>Its (without an apostrophe) indicates possession. Contrary to common possession rules in English, the apostrophe is dropped in its. 

It's is a contraction, a shortened form of it is or it has.<END_A>