Creamy in color and perfect for carving, ivory has long been sought after for art, for practical uses, and simply for its beauty. Once considered as valuable as gold, ivory has several properties that have created and sustained its worth. It does not easily burn; it is generally unharmed by water; it polishes to a beautiful luster; and it is extremely durable. These were considerable virtues in the days before plastics. Since then, ivory’s beauty and peerless qualities have continued to make it intensely desirable. Unfortunately, the beauty of ivory comes at a terrible cost. Which phrase contains subjective language?

a.
creamy in color

b.
once considered as valuable as gold

c.
does not easily burn

d.
perfect for carving