You are trying to cook a pot of soup on the stove. as you watch the pot you notice that the noodles inside begin to rise to the top from the bottom in a swirling motion. what kind of heat transfer is happening with your soup?

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction.