Which condition must be met for conduction to occur? A:particles must be large
B:articles must be small
C:particles must be in contact
D:particles must be spread apart

D

Explanation:

if particles are spread out, heat will cause them to vibrate and move, therefore creating conduction

D

Explanation:

when you boil water in a pot and put a lid or something meatal over it when it reaches a certain temperature it gets steamy and during that it will get hyper and run around in circles and will go up but since the meatal or glass lid is there it will stop it and you will see water droplets on the inside.

in the analysis of systems that involve fluid flow, we frequently encounter the combination of properties u and pv.