Question

In order for radiation to transfer heat,

a electromagnetic waves must be transmitted

b objects must be in direct physical contact

c particles must circulate and move in a liquid or gas

d thermal energy must move from cold to hot objects

Answer 1

b

Step-by-step explanation:

i hope this is right bc im not sure

Answer 2

I’m pretty sure it’s B, if it’s touching something hot then that object will become hot