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Answer: B, Microwaves reach a cell tower, then fiber optic cables send the signal to a cell tower near the person you are calling.
Explanation:
Answer:
- the Big Bang=the universe begins to expand.
-elements such as carbon and oxygen first exist.
-nuclear fusion begins in the Sun.
-earliest life on Earth.
-dinosaurs go extinct.
-earliest humans.
Explanation:
There are several events in history that changed the universe and human life. The events led to the most famous scientific discovery, evolution, technological development among others. The universe and human life have drastically changed due to the occurrence of the events such as the Big Bang and the presence of elements.