Which term refers to the transfer of thermal energy through the rising of warm particles and sinking of cool particles in a fluid

Why do german shepherds shed so much

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

What advantages does a pedigree have over a written passage?