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A. A blended family is formed by two single-parent families.
B. A blended family is formed by a nuclear family and a grandparent.
C. A blended family is formed by a nuclear family and grandparents.
D. A blended family is formed by two fatherless families.

A. They have captured all the condors.
B. Birds raised in captivity are attracted to humans.
C. Hunters want to shoot them.
D. There is not enough food for condors.