71.   The first fireworks were red and yellow, and colors were added later as chemical combinations were developed. . .

72.   The fresh green leaves alone add color to the winter doldrums.

73.   The other girls were adding the color.

74.   The Pan-African Pavilion features environmental topics, with hundreds of butterflies from Kenya to add color.

75.   The resumption of postal service added color to the portrait of a region uniting in recovery.

76.   The sherry adds complexity, the peppers and pimentos add color.

77.   The slurry is poured into silver vats, into which the yellow and orange colors are added.

78.   These fights are not very elaborate or challenging, but they do add some color to the game.

79.   They add color to school lunches and party trays.

80.   They urged her to add some color.