The relationship between a carnivore and an herbivore can be stated as A
parasite and host
B
predator and prey
C
prey and predator
D
scavenger and parasite

B. predator and prey

Explanation: Bc carnivores are the predator that hunts the herbivores or the prey

your answer is "the 1950's"

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