If two objects have different temperatures, heat will flow from the warmer object to the colder object
back and forth from one object to another object
from the colder object to the warmer object
up and then sink

the answer is definitely c.

here is table 2-2:

country

percent of eligible voters that voted

rank

united states

44.9%

138

canada

60.1%

107

costa rica

84.6%

14

hungary

66.9%

82

japan

57.0%

118

egypt

27.7%

159

south africa

85.5%

10

ans is no, the data set cannot be plotted as a single circle graph