QUICK I WILL CHOOSE BRAILEST What is convection?
1. Transfer of heat through objects touching source
2. Transfer of heat through direct physical contact
3. Transfer of heat through electromagnetic waves
4. Transfer of heat through the movement of particles

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.

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Apush or pull that moves or changes and object when to objects touch