Bob has been a model employee all year except for the last two to three weeks; yet, Bob's ratings on his performance appraisal reflect his performance during this last two-week to three-week period. This type of rating bias is referred to as:

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.

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.