Heat can be transferred through conduction, convection, and radiation. What is necessary in order for heat to be transferred by conduction?
A. Heat must be transferred through space.
B. Heat must be transferred in the form of currents.
C. The substances must be liquids or gases.
D. The objects must be in direct contact with one another.

Question

Heat can be transferred through conduction, convection, and radiation. What is necessary in order for heat to be transferred by conduction?
	A. 	 Heat must be transferred through space.
	B. 	 Heat must be transferred in the form of currents.
	C. 	 The substances must be liquids or gases.
	D. 	 The objects must be in direct contact with one another.

anonymous · Answer

https://www.google.com/#hl=en&output=search&sclient=psy-ab&q=conduction&oq=conduction&gs_l=hp.3..0l4.2219.7875.0.8391.12.10.1.1.1.0.703.3265.2-5j2j1j0j1.9.0.les%3B..0.0...1c.1.5.psy-ab.QhaHKcLZNVc&pbx=1&bav=on.2,or.r_qf.&bvm=bv.43287494,d.dmQ&fp=d4a388dd59cfe2ee&biw=1271&bih=707

unklerhaukus · Answer

conduction, travels through solids
 convection, travels through fluids
and radiation, travels through space

anonymous · Answer

Im making a guess based on what you said
would it be D or am I off?

unklerhaukus · Answer

connected solids are in direct contact

anonymous · Answer

D.