D. An X-Y coordinate system, with the origin at 0° latitude and 0° longitude
Answer:
Geolgic time is measured by observing the changes in the fossils from oldest to youngest sedimentary rocks.
Explanation:
Answer:
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Explanation:
just confused is this supposed to be a question cause Brainly is used for homework help.
respuesta:
Como el ángulo 1 mide 60°, entonces, el ángulo 2 mide 120°. El ángulo 3 mide 60°, ya que, los ángulos 1 y 3 son opuestos por el vértice, por lo tanto, tienen la misma medida.
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