Which of the following statements is true? a. sweating is an example of positive feedback. b. shivering is an example of negative feedback. c. the nervous system is responsible for sensing changes in the environment. d. all of the above

D, all of the above. Your body sweats when it gets too hot to cool the body, and shivers when it gets too cold to heat the body. The nervous system is responsible for sensing everything in and around the body.

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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