is social security number categorical or quantitative.

Full question attached

Categorical or qualitative

Explanation:

Categorical variables are used for identification purposes and are usually done to be a form a sort of organization for groups by categorizing them. Categorical variables are nominal(also called nominal variables) in that they have no intrinsic ordering and are merely assigned and ranked according to a protocol such as highest to lowest or farthest to nearest. For example social security numbers are for identification and or categorization purposes

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.