A researcher asks a group of teenagers who had previously been convicted of shoplifting to shoplift from a drugstore so he can observe the social dynamics of these skilled thieves. This researcher may be violating the ethical principle, which states

do not place subjects in legal jeopardy

Explanation:

An ethical principle is a base philosophical stance which directly or indirectly leads to an ethical standard. The word “ethics” simply means “moral principles that govern a person's or group's behavior.” .An ethical principal is the foundation thought or idea that makes an ethical standard correct.

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.