The clause says that the national government by make all laws "necessary and proper to carry out enumerated power. supremacy full faith and credit elastic inherent powers

The answer for the blank space is "Elastic" or "necessary and proper clause".

To make all Laws which should be important and appropriate for conveying into Execution the enumerated powers, and every single other Power vested by this Constitution in the Legislature of the United States is mentioned in the elastic or necessary and proper clause

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.

answer; earthquake;