Consider two finned surfaces that are identical except that the fins on the first surface are formed by casting or extrusion, whereas they are attached to the second surface afterward by welding or tight-fitting. for which case do you think the fins will provide a greater enhancement in heat transfer?

attach the statements so i can answer : )

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.

float.

archimedes' principle

denser than water sinks in water.

denser than mercury would sink in it