A copper-gold alloy has a crystalline structure. All other options are mixtures which do not have crystalline structure.
Answer:
Zinc has more power although iron has a stong bond with metal
Explanation:
Brainliest answer?
Answer:
Examples of collective animal behavior include: Flocking birds. Herding ungulates. Shoaling and schooling fish.
Explanation:
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Answer:
a variable (often denoted by x ) whose variation does not depend on that of another.
Explanation: