Crossword No. 24

Across
1.Vital mineral for good bone health. (7)
18.Animals need compassion. (3)
21. Greek symbol for six. (5)
32.Artificial wild animal sanctuary. (3)
42.Food makers of a plant.(6)
63. Urinary stones. (7)

Down
1.Mineral deposit in urine. (7)
3.A hearty smile. (5)
7. A microscopic measure (6)
18. An acronym for Art and Action with Zeal (3)
45. Face cover worn by women. (4)
47. Business uniform. (4