Answer:
En 1953 determinó con exactitud la edad de la Tierra en 4.550 millones de años, con un margen de error de unos 70 millones de años.
Explanation:
Answer:
i would say white because if they were to turn black they would be more visible to predators i believe they have black skin under their fluff .
Hope this helps
Answer:
upper mantle and lower mantle
Explanation:
Answer: Actually, the submarine was built in Groton, Connecticut and was launched in the Thames River
