Quick Answer. Copper is classified as a metal on the periodic table and is therefore not classified according to family in the manner that plants and animals are. Copper is red-colored. It is malleable, ductile, and a good conductor of heat and electricity.
Cut watermelon stays safe for up to 10 months wrapped tightly in foil and plastic in the freezer. The flesh will be soft and inedible for eating out of hand, but it adds sweet, watermelon flavor in smoothies and sorbets.
The scoop: âResearchers have found that whole watermelons stored outside the fridge in a cool, dark place (around 55 or 60 degrees) last much longer than watermelons stored in the fridge (around 41 degrees). So, if youâve already got a whole watermelon in the fridge, you should keep it there.