This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
A one basin tap water.
>Hope it helps
don't copy my answer,it is based on my mind !!
From: TaengPark
I think its 1 cup of boiling water because heat transfer also refers to the temperature of the object since the temperature of the cup of boiling water is higher than the temperature of the 1 basin of tap water (no matter the mass is ) A CUP OF BOILING WATER WILL TRANSFER MORE HEAT