Mark the letter A, B,C, or D on your answer sheet that best completes each sentence. In its pure state antimony has no important uses, but with other substances, it is extremely useful metal
Mark the letter A, B,C, or D on your answer sheet that best completes each sentence.
In its pure state antimony has no important uses, but _____ with other substances, it is extremely useful metal.
A. when combined physically or chemically
B. combined when physically or chemically
C. the physical and chemical combination
D. it is combined physically and chemically