PLZ HELP I DON'T WANT TO BE YELLED AT A mechanical device, or arrangement of fixed and moving parts that people use to do work.

Iwll give extra points to who gets this for ! what type of reaction is this? ?

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root