<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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Because there have been many invasions the correct answer would be C. The invasions would have brought many different ethnic groups into the area.
Your answer is Permafrost
Answer: It is the result of a mixture of radiation from many independent sources, such as stars and galaxies.
Microwave background radiation is a form of electromagnetic radiation that is present in the whole universe and completely fills it. In fact, it is the leftover radiation from the Big Bang that occurred 400,000 years before the events related to this cosmic radiation.
Its frequency belongs to the microwaves range and is one of the main demonstrations of the of the Big Bang theory model.
