Pronouns have referents that shift from one utterance to the next. This characteristic is called:.

The correct response would be "deixis ". A further explanation is given below.

Explanation:

using the scientific method.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.