Heat always flows from a object to a one.

a. colder, hotter

b. hotter, colder

c. heat does not flow.

Heat always flows from a B. hotter object to a colder one.

Heat transfers always from hotter to colder.

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as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.

waves moving from a fast medium to a slow medium will experience a reflection as light travels more slowly than red light. total internal reflection occurs when the critical angle is.