Answer:
option b or c I don't know
<span>Copper and zinc are elements, not mixtures. Bronze is an alloy of texture of copper and tin, not a mixture. The answer would be (C.)Sand.
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If you have choices, it would be really helpful if you'd include them with your question, but I'd say
More than half of the forests in the Czech Republic have been destroyed by pollution.
Generally, 1. blue is hotter therefore temp and color are correlated, 2. white and blue is lighter then red, color and brightness are related, 3. The larger a star, the brighter and 4. The larger a star the more likely it will be red
