The tough superficial layer of the epidermis is known as the stratum a) corneum. b) lucidum. c) basale. d) granulosum. e) spinosum.

Stratum corneum

Explanation:

Epidermis is known to be the outmost layer of the skin and it is made up of stratified squamous epithelium and keratinized.  Thus, stratum corneum is known to be the layer of the epidermis that is most superficial and that can be seen with our eyes. Furthermore, stratum corneum functions by preventing the dehydration of underlying tissues and microbes penetration

cats ; snakes

the transfer for conduction is the heat transfering from the liquid to the spoon

the transfer for convection is the heat rising from the liquid to the air

the transfer for radiation is the heat going through the sides of the cup and to the air

at least that is what i would do